A bulb of a car headlight is connected to a 12 v battery maintains a current of 3A of current. what is the power rating of the bulb with explanation
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The Bulb of a car headlight is connected to a 12V battery. This means that the bulb requires a minimum potential difference of 12V to be able to work properly. It maintains a 3A current which means that the bulb draws 3A of current from the total current passing through it. Now, Power consumption is the total energy consumed by an appliance. In this case, it is:
Power = Current*Potential Difference
= 3*12 W
= 36 W
I hope this helps.
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