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Two wires A and B of same material, having same lengths and diameters 0.2 mm respectively, are
Two wires A and B of same material, having same lengths and diameters 0.2 mm and 0.3 mm respectively, are connected one by one in a circuit. Which one of these two wires will offer more resistance to the flow of current in the circuit ? Justify your answer.
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Відео

Calculate the resistance of a copper wire of length 1000 m and area of cross-section 2 mm². Resistiv
Переглядів 4312 годин тому
Calculate the resistance of a copper wire of length 1000 m and area of cross-section 2 mm². Resistivity of copper is 1.6 x 10^-8 Ω m. CBSE 10th Solution Class 10th CBSE Class X CBSE CBSE 10th PYQ 2024 CBSE with PYQ 2023 10th PYQ CBSE Solution 10th CBSE sample paper solution Class 10th CBSE Science Previous year questions solution Class 10th CBSE physics Previous year questions solution #cbseboa...
State Ohm's law. Write formula for the equivalent resistance Rp of the parallel combination of three
Переглядів 5614 годин тому
(a) State Ohm's law. Write formula for the equivalent resistance Rp of the parallel combination of three resistors of values R1, R2 and R3. (b) Find the resistance of the following network of resistors : . . CBSE 10th Solution Class 10th CBSE Class X CBSE CBSE 10th PYQ 2024 CBSE with PYQ 2023 10th PYQ CBSE Solution 10th CBSE sample paper solution Class 10th CBSE Science Previous year questions ...
In a domestic circuit five LED bulbs are arranged as shown. The source voltage is 220 V and the
Переглядів 13117 годин тому
In a domestic circuit five LED bulbs are arranged as shown. The source voltage is 220 V and the power rating of each bulb is marked in the circuit diagram. Based on the following circuit diagram, answer the following questions : (a) State what happens when (i) key K1 is closed. (i) key K2 is closed. (b) Find the current drawn by the bulb B when it glows. (c) Calculate (i) the resistance of bulb...
In case of four wires of same material, the resistance will be minimum of the diameter and length
Переглядів 22819 годин тому
In case of four wires of same material, the resistance will be minimum of the diameter and length of wire respectively are : (A) D/2 and L/4 (B) D/4 and 4L (C) 2D and L (D) 4D and 2L CBSE 10th Solution Class 10th CBSE Class X CBSE CBSE 10th PYQ 2024 CBSE with PYQ 2023 10th PYQ CBSE Solution 10th CBSE sample paper solution Class 10th CBSE Science Previous year questions solution Class 10th CBSE ...
A 1.5 cm tall candle flame is placed perpendicular to the principal axis of a concave mirror of
Переглядів 6121 годину тому
A 1.5 cm tall candle flame is placed perpendicular to the principal axis of a concave mirror of focal length 12 cm. If the distance of the flame from the pole of the mirror is 18 cm, use mirror formula to determine the position and size of the image formed. . . CBSE 10th Solution Class 10th CBSE Class X CBSE CBSE 10th PYQ 2024 CBSE with PYQ 2023 10th PYQ CBSE Solution 10th CBSE sample paper sol...
A 4 cm tall object is placed perpendicular to the principal axis of convex lens of focal length 24
Переглядів 75День тому
A 4 cm tall object is placed perpendicular to the principal axis of convex lens of focal length 24 cm. The distance of object from the lens is 16 cm. Find the position and size of image formed. CBSE 10th Solution Class 10th CBSE Class X CBSE CBSE 10th PYQ 2024 CBSE with PYQ 2023 10th PYQ CBSE Solution 10th CBSE sample paper solution Class 10th CBSE Science Previous year questions solution Class...
Draw a ray diagram to show the path of the refracted ray in each of the following cases : A ray of
Переглядів 58День тому
Draw a ray diagram to show the path of the refracted ray in each of the following cases: A ray of light incident on a concave lens : (1) parallel to its principal axis, and (2) is directed towards its principal focus. CBSE 10th Solution Class 10th CBSE Class X CBSE CBSE 10th PYQ 2024 CBSE with PYQ 2023 10th PYQ CBSE Solution 10th CBSE sample paper solution Class 10th CBSE Science Previous year ...
State Fleming's left hand rule. Apply this rule to determine the direction of force experienced by a
Переглядів 195День тому
(a) State Fleming's left hand rule. Apply this rule to determine the direction of force experienced by a straight current carrying conductor AB placed in a uniform magnetic field as shown (b) What will happen to an electron which enters in the same field in the same direction in which the current is flowing in the conductor AB ? Give reason to justify your answer. . . . . CBSE 10th Solution Cla...
Draw a schematic diagram of a circuit consisting of a battery of four dry cells of 1.5 V each, a 2
Переглядів 101День тому
Draw a schematic diagram of a circuit consisting of a battery of four dry cells of 1.5 V each, a 2 Ω resistor, 6 Ω resistor, 16 Ω resistor and a plug key all connected in series. Put an ammeter to measure the current in thecircuit and a voltmeter across the 16 Ω resistor to measure potential difference acros its two ends. Use Ohm's law to determine (a) ammeter reading, and (b) voltmeter reading...
In the given circuit the total resistance between X and Y is :
Переглядів 499День тому
In the given circuit the total resistance between X and Y is : . CBSE 10th Solution Class 10th CBSE Class X CBSE CBSE 10th PYQ 2024 CBSE with PYQ 2023 10th PYQ CBSE Solution 10th CBSE sample paper solution Class 10th CBSE Science Previous year questions solution Class 10th CBSE physics Previous year questions solution #cbseboard #cbse #cbseclass10 #maths #physics #study #science #boardexam #cla...
Study the I-V graph for three resistors of resistances R1, R2, and R3 and select the correct
Переглядів 81День тому
Study the I-V graph for three resistors of resistances R1, R2, and R3 and select the correct statement from the following . . CBSE 10th Solution Class 10th CBSE Class X CBSE 10th PYQ CBSE Solution 10th CBSE sample paper solution Class 10th CBSE Science Previous year questions solution Class 10th CBSE physics Previous year questions solution #cbseboard #cbse #cbseclass10 #maths #physics #study #...
The speed of light in vacuum is 3 x 10^8 m/s. If the speed of light in a medium is 2.25 x 10^8 m/s
Переглядів 35День тому
The speed of light in vacuum is 3 x 10^8 m/s. If the speed of light in a medium is 2.25 x 10^8 m/s, the absolute refractive index of the medium is : . . CBSE 10th Solution Class 10th CBSE Class X CBSE 10th PYQ CBSE Solution 10th CBSE sample paper solution Class 10th CBSE Science Previous year questions solution Class 10th CBSE physics Previous year questions solution #cbseboard #cbse #cbseclass...
The image of an object formed by a mirror is real, inverted and is of magnification-1. If the image
Переглядів 115День тому
The image of an object formed by a mirror is real, inverted and is of magnification-1. If the image is at distance of 30 cm from the mirror, where is the object placed ? Give reason to justify your answer. Where would the image be if the object is moved 15 cm towards the mirror ? Draw ray diagram for the new position of the object to justify your answer. CBSE 10th Solution Class 10th CBSE Class...
An object is placed in front of a concave mirror of focal length 12 cm. If distance of the object
Переглядів 11214 днів тому
An object is placed in front of a concave mirror of focal length 12 cm. If distance of the object from the pole of the mirror is 8 cm, then use mirror formula to determine the position of the image formed. Draw a labelled ray diagram to justify your answer in this case. CBSE 10th Solution Class 10th CBSE Class X CBSE 10th PYQ CBSE Solution 10th CBSE sample paper solution Class 10th CBSE Science...
The minimum resistance which can be made using five resistors each of resistance 10 Ω
Переглядів 5214 днів тому
The minimum resistance which can be made using five resistors each of resistance 10 Ω
The maximum resistance of network of five identical resistors of 1/5 Ω each can be -
Переглядів 6414 днів тому
The maximum resistance of network of five identical resistors of 1/5 Ω each can be -
Use Ohm's law to determine the potential difference across the 3 Ω resistor in the circuit shown in
Переглядів 18614 днів тому
Use Ohm's law to determine the potential difference across the 3 Ω resistor in the circuit shown in
The power of an electric heater is 1100 W. If the potential difference between the two terminals of
Переглядів 13014 днів тому
The power of an electric heater is 1100 W. If the potential difference between the two terminals of
Upper half of a convex lens is covered with a black paper. Draw a ray diagram to show the formation
Переглядів 35914 днів тому
Upper half of a convex lens is covered with a black paper. Draw a ray diagram to show the formation
Define electric power. Express it in terms of potential difference (V) and resistance (R).
Переглядів 10914 днів тому
Define electric power. Express it in terms of potential difference (V) and resistance (R).
In the given circuit calculate the power consumed in watts in the resistor of 2 Ohms
Переглядів 16821 день тому
In the given circuit calculate the power consumed in watts in the resistor of 2 Ohms
The resistance of a metal wire of length 3m is 60 Ohm. If the area of cross-section of the wire is
Переглядів 33921 день тому
The resistance of a metal wire of length 3m is 60 Ohm. If the area of cross-section of the wire is
Show how you would connect three resistors each of resistance 6 Ohms. So that the combination has
Переглядів 6421 день тому
Show how you would connect three resistors each of resistance 6 Ohms. So that the combination has
An electric oven is designed to work on the mains voltage of 220 V. This oven consumes 11 units of
Переглядів 25721 день тому
An electric oven is designed to work on the mains voltage of 220 V. This oven consumes 11 units of
X CBSE Study the data given below showing the focal length of three concave mirrors A, B Solution
Переглядів 58821 день тому
X CBSE Study the data given below showing the focal length of three concave mirrors A, B Solution

КОМЕНТАРІ

  • @meertughral7371
    @meertughral7371 10 годин тому

    Nice

  • @nareshdewasiofficial1769
    @nareshdewasiofficial1769 День тому

    Really good explanation❤ Thank you🙏🙏

  • @saviovarghese8231
    @saviovarghese8231 2 дні тому

    Here magnification is -1 not 1

  • @FalconPlayyzz
    @FalconPlayyzz 2 дні тому

    Best explanation i was searching this que frm a very long time and i came up to yr channel...i went to other channels to but they didnt taught welll.. Thankzz U gained my subb Thnzz for the explanation❤❤

  • @selmonbhoi_kasystum
    @selmonbhoi_kasystum 2 дні тому

    Sir by this logic that point connected through single point ars same then arent x and A connected through a single wire or is the resistance between them causing it to be two differenr points?

    • @hemantcoachingcafe
      @hemantcoachingcafe 2 дні тому

      Resistance b/w them causing X and A to be two different point! But if I connect X and A thorough a single wire..then X and A will also considered as single point.. You will learn these type of concept in higher education 😊

  • @SantaClawsYT
    @SantaClawsYT 2 дні тому

    Your handwriting is really good

  • @kalpanarawat7596
    @kalpanarawat7596 3 дні тому

    Sir can we write only 80×10^-7 ohm meter as a answer?

  • @ItachiUchiha-yq4qy
    @ItachiUchiha-yq4qy 4 дні тому

    Sir parallel kaise h??? Smjha dijiye

    • @hemantcoachingcafe
      @hemantcoachingcafe 4 дні тому

      Dekho agar 2 resistance hain aur dono ka hi ek end battery ke +ve aur doosra end battery ke negative se connected hon to unhe parallel connection kehte hain . . Aur series connection me resistance ka ek end battery se aur doosra end doosre resistor se connected hoga.

  • @v.kdragongaming5461
    @v.kdragongaming5461 4 дні тому

    Thank you 🙏

  • @anshugarai6911
    @anshugarai6911 5 днів тому

    Why X and B and A and Y are same? 1:33

    • @hemantcoachingcafe
      @hemantcoachingcafe 5 днів тому

      Because they are connected through single wire... Whenever two different points are connected through single wire they are considered as single point

    • @anshugarai6911
      @anshugarai6911 5 днів тому

      Okay sir understood

  • @avonmus6441
    @avonmus6441 5 днів тому

    Beautiful explanation, you'd be surprised by just how many teachers are awful at explaining an otherwise simple question... You're an exception though. Thank you so much!

  • @UrmilaDevi-yu3ib
    @UrmilaDevi-yu3ib 6 днів тому

    Thnku so mch sirr

  • @SAKSHIGUPTA-mq3hp
    @SAKSHIGUPTA-mq3hp 7 днів тому

    🙏🙏

  • @SAKSHIGUPTA-mq3hp
    @SAKSHIGUPTA-mq3hp 7 днів тому

    Thankyou sir

  • @SAKSHIGUPTA-mq3hp
    @SAKSHIGUPTA-mq3hp 7 днів тому

    Nice explanation Sir😊

  • @kanchansingh6004
    @kanchansingh6004 8 днів тому

    Sir 1 more question plz from year 2022 term-2 delhi set- 1 Code- 31/2/1 Q.15 (c) (i) If the U shaped magnet is held vertically and aluminium rod is suspended horizontally with its end B towards due north, then on passing current through the rod from B to A as shown, in which direction will the rod be displaced?

  • @kanchansingh6004
    @kanchansingh6004 8 днів тому

    Very nice explanation 😀

  • @kanchansingh6004
    @kanchansingh6004 10 днів тому

    Thnku Sir 🙏, very nice explanation But plz sir one question, Q. State Fleming's left hand rule. Apply this rule to determine the direction of force experienced by a straight current carrying conductor AB placed in a uniform magnetic field as shown Electric Current ∆ -----------|-------------> -----------|-------------> Magnetic field -----------|------------->

  • @kanchansingh6004
    @kanchansingh6004 11 днів тому

    Sir plz one question, this question is just after the question video which u have posted that is Q.32 of the set which u are solving. State Fleming's left hand rule. Apply this rule to determine the direction of force experienced by a current carrying conductor AB placed in a uniform magnetic field as shown.

  • @AniruddhaSharma-ec7oc
    @AniruddhaSharma-ec7oc 12 днів тому

    Thanx sir🎉

  • @rishipandey7710
    @rishipandey7710 14 днів тому

    Sir maine isme 1/3 A ko 0.3 karke voltage 0.9 aayi kya ye galat hai ?

    • @hemantcoachingcafe
      @hemantcoachingcafe 14 днів тому

      Chal jayega par decimal ke baad kam se kam 2 digit liya karo to answer aur accurate aata hai 😊

  • @ShilpiGupta-d5u
    @ShilpiGupta-d5u 15 днів тому

    Best explanation sir..

  • @PushpaSamal-j9x
    @PushpaSamal-j9x 15 днів тому

    Like and subscribe please ❤😊

  • @UGNT95Gamer
    @UGNT95Gamer 15 днів тому

    👍🏻

  • @Reboot_Muscles
    @Reboot_Muscles 18 днів тому

    Sir but pw sample paper main sab alag answer de rkhe hain. Kya krun ab?

    • @hemantcoachingcafe
      @hemantcoachingcafe 18 днів тому

      Beta ye answers sahi hain.. Maine multiple sources se check bhi kar liya hai... 😊... Fir bhi kuch doubt ho to batao!

  • @hemantcoachingcafe
    @hemantcoachingcafe 20 днів тому

    Mirror A par image diminished banegi! Kyuki Mirror A par hi object centre se peeche rakha hai.

  • @ayeshajaweed4510
    @ayeshajaweed4510 21 день тому

    Sir par voltage toh given hai na 6V toh ham usko kyun nahi use kar rahe in P=VI ?

    • @hemantcoachingcafe
      @hemantcoachingcafe 21 день тому

      Series me voltage different hota hai isliye dono resistance me alag alag voltage hoga... Isliye 6v nahi rakh sakte.

  • @JasmeetSingh-b9f
    @JasmeetSingh-b9f 22 дні тому

    Sir can you please explain how the value became 10 to the power -6

    • @hemantcoachingcafe
      @hemantcoachingcafe 21 день тому

      80x10^-7 = 8x10^1x10^-7 = 8x10^(1-7) = 8x10^-6 Powers of 10 are added

  • @omprakashbarapatre
    @omprakashbarapatre 27 днів тому

    Thank you very much sir.

  • @fredamayert
    @fredamayert 10 місяців тому

    'Promosm' ❗