Types of Electric Circuits

An electric current is a flow of electric charge. In electric circuits this charge is often carried by moving electrons in a wire.
The SI unit for measuring an electric current is the ampere, which is the flow of electric charge across a surface at the rate of one coulomb per second. Electric current is measured using a device called an ammeter.
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An electric circuit is a path along which electric current flows. simple circuit has a cell a bulb and a switch connected by wires but what happens when there are two bulbs how can we connect them well we can connect the second bulb right next to the first bulb or we can connect it above the first one well let's see who's right let's make spiky circuit first we need a battery a switch three bulbs two that work and one that's burnt out and connecting virus let's set up the circuit now let's add another bulb right next to the first one what happens to the brightness of the first bulb whoa it's dimmer exactly now replace one of the light bulbs with a burned-out one what happens both the bulbs go out this is a series circuit if all the electrical components are connected one after another in a single loop then it is a series circuit in a series circuit there is only one path for the current to flow the amount of current that flows through each bulb of the circuit is the same now let's try bubble suggestion will add another bulb above the first one what happens to the brightness of the first bulb it remains the same this way correct now replace one of the light bulbs with the burned-out one what happens the burnt out bulb does not glow but the other world is still glowing it is not affected excellent observation this is a parallel circuit if all the electrical components are connected in two or more loops then it is a parallel circuit in a parallel circuit there is more than one path for the current to flow each loop is independent so the current in one loop will not affect the current in another loop so now we know that both spiky and bubbles were right spiky connected the bulbs in a series whereas bubbles connected the bulbs in parallel hence there are two types of circuits 1c circuits for example decoration lights 2 parallel circuits our home appliances are always connected in parallel but why why don't we use Siri circuits in our home because series circuits come with disadvantage let's take a closer look with an example look at these bridges they are connected one after another in series you can cross these bridges easily but what happens when one of the bridges collapses can you cross to the other side no we can't exactly this is the disadvantage of a series circuit a break in any part of the circuit stops the flow of current in the whole circuit another disadvantage is that the more bulbs we add to the series circuit the dimmer they become now look at these bridges connected in parallel what happens when one of the bridges collapses can you cross to the other side now yes because we can use the other bridge to cross to the other side well done this is the advantage of a parallel circuit when there is a brick in one of the branches in the circuit current can still flow through the other branches also the brightness of the bulbs remains the same since every loop is independent now can you explain the chandelier and decoration lights problem you had earlier oh yes it makes sense now only one bulb of the chandelier went out because it is connected in a parallel circuit one broken bulb did not affect the current in rest of the bulbs but for the string of lights all the bulbs went out because it is connected in series one broken bulb will stop the flow of current to all the bulbs good job let's summarize there are two types of electric circuits a series circuit is one in which all the electrical components are connected one after another in a single loop a parallel circuit is one in which all the electrical components are connected in two or more loops a disadvantage of the series circuit is that a break in any part of the circuit stops the flow of current in the entire circuit but a break in any part of the parallel circuit does not

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