an electric lamp uses energy at the rate of 48w on a 12v supply how much charge passes through the lamp in 2.0 seconds
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Answer:
8 Coulomb
Step-by-step explanation:
Power = Potential Difference x Current
Therfore, Current = Power/ Potential Difference
Current = 48/12
= 4 Ampere
We also know that Current = Charge/ Time
Therefore, Charge = Current x Time
= 4 x 2
= 8 Coulomb
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