Hi dave excellent video thanks you. Voltage drop calculation on 3 kw heater you Put 18×2,5×19 477/1000 Is wrong Voltage drop. I thing typing mistake Excellent video thank you so much
Thanks Dave for the clarity in your delivery of the subject. I admire your passion and commitment to teach, which truly shines through considering you are going through cancer treatment at the moment. Thanks for your dedication with this, I truly appreciate what you do. Praying your treatment goes well. God bless you 🙏🏽
Thank you, I really appreciate your comments. Yes, cancer treatment is not easy and does slow me down some weeks. The secret is to keep going and do my best. I will beat it. Dave.
Great video! I’m a 1st year apprentice who struggles with the science/ maths side of things and your videos are really easy to follow and help me understand all the formulas and calculations. Many thanks and please never stop making videos!
Hello. Question 6. Thank you for your videos, they help me a lot in preparing for the 18th Edition exam. I studied to become an electrician in another country. I noticed that sometimes we have different approaches to searching for the same values. Please explain why we cannot immediately multiply the resistance of a circuit by the current flowing in it? Multiply 0.38 by 12.5 and we get a voltage drop in the circuit of 4.75 V Why make it so complicated - count the length of the circuit, find the voltage drop per amper per meter in the table, and only then calculate the voltage drop in the circuit?
Depending on length , load at the time, and CSA, most domestic boards will have a Vd of much less than half a volt even when heavily loaded, Make the tails as big as possible and as short as possible.
I will try my best. At the moment I'm having a lot of cancer treatment and having to fit my YT time in between hospital visits. But I will get back to normal. Thanks for the support and comments. Dave.
why did you do kw/230 in question 5 and kw/240 in question 6 ? because the first gives you 13.1 amps and the latter gives you 12.5 amps this giving two different answers both of which options in the answer box. TIA
Hi dave excellent video thanks you.
Voltage drop calculation on 3 kw heater you
Put 18×2,5×19 477/1000
Is wrong Voltage drop.
I thing typing mistake
Excellent video thank you so much
Yes, a small typo, should be 12.5 as shown in the previous boxes. The answer is correct though. Dave.
Thanks Dave for the clarity in your delivery of the subject. I admire your passion and commitment to teach, which truly shines through considering you are going through cancer treatment at the moment. Thanks for your dedication with this, I truly appreciate what you do. Praying your treatment goes well. God bless you 🙏🏽
Thank you, I really appreciate your comments. Yes, cancer treatment is not easy and does slow me down some weeks. The secret is to keep going and do my best. I will beat it. Dave.
Great video! I’m a 1st year apprentice who struggles with the science/ maths side of things and your videos are really easy to follow and help me understand all the formulas and calculations. Many thanks and please never stop making videos!
Great to hear that. No intention of stopping, keep learning, its a good trade. Dave.
Excellent teacher as usual. ( Vd= 18 x 12.5 x 19.477 / 1000 ) = 4.38 volts
Yes, correct, thank you.
Ace video. What a great refresher for things I forgot and for learning new as well. Thanks mate.
Thank you. keep learning, it a great trade to be in. Dave.
Brillent as usual! Thankyou!
My pleasure and thank you for your support. Dave.
Wwell done mate.. great order, logical and clear. I love your tutorials. Thank you.
Glad you like them, lots more to come. Thanks for watching. Dave.
Hello. Question 6.
Thank you for your videos, they help me a lot in preparing for the 18th Edition exam.
I studied to become an electrician in another country. I noticed that sometimes we have different approaches to searching for the same values.
Please explain why we cannot immediately multiply the resistance of a circuit by the current flowing in it?
Multiply 0.38 by 12.5 and we get a voltage drop in the circuit of 4.75 V
Why make it so complicated - count the length of the circuit, find the voltage drop per amper per meter in the table, and only then calculate the voltage drop in the circuit?
This is way the UK Regulations work.
Thanks for watching.
thanks very much it is very much educational .
You are welcome and thanks for watching.
Hello great video as usual. What is the acceptable voltage drop for the supply cable from the main fuse to the main fuse board? Is it 5%?
Depending on length , load at the time, and CSA, most domestic boards will have a Vd of much less than half a volt even when heavily loaded, Make the tails as big as possible and as short as possible.
Excellent as usual!Regards mg.
Many thanks, appreciated. Dave.
As always good one.
Thank you, appreciated.
Great video, shared ❤
Thank you.
Excellent as always 😊
Thank you so much, appreciated.
Please apart from this MFT instrument, which other instrument can be use to determine the resistance value of a cable for for a distance of 1m
I will often use a multi-meter for resistance measurements. Dave
Dear Dave. I was assuming voltage drop would be the 2.16v X 2 because of live and nuetral
The calculation takes into account the return path, thanks for watching. Dave.
Please go back to posting your videos on a Sunday morning . Great video as always
I will try my best. At the moment I'm having a lot of cancer treatment and having to fit my YT time in between hospital visits. But I will get back to normal. Thanks for the support and comments. Dave.
Much appreciated
Thanks for watching. Lots more to come.
why did you do kw/230 in question 5 and kw/240 in question 6 ? because the first gives you 13.1 amps and the latter gives you 12.5 amps this giving two different answers both of which options in the answer box. TIA
To get people to read the question. Nothing else. Thanks for watching. Dave.
I'm here again.
Come on down, the water's warm and the drinks are free.
6th question has a small error IB has written 2.5 should be 12.5
It is 12,5 A as shown in the question. Thanks for watching.