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A circuit maintains a constant resistance. If the current in the circuit is doubled, what is the effect on the power dissipated by the circuit?
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A circuit maintains a constant resistance. If the current in the circuit is doubled, what is the effect on the power dissipated by the circuit?

User Andy Zhang
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The power of an electrical circuit is given by:
P = I²/R
P= (2I)²/R
P = 4(I²/R)

If current, I, is doubled, the dissipated power will increase four times.
User Sourabh Choraria
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