The power in an electrical circuit is given by the equation P = RR, where / is
the current flowing through the circuit and Ris the resistance of the circuit.
What is the current in a circuit that has a resistance of 30 ohms and a power
of 2 watts?
A. 15 amps
B. 0.26 amps
C. 3.9 amps
D. 0.067 amps
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