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A circuit consists of two resistors of 5 ohms and 2 ohms connected in series if a current of 5 amps in the circuit the power dissipated in the 2 resisters will be?
Two resistors in series, one 5 ohms and one 2 ohms, with a current of 5 amperes, will have a power dissipation of 175 watts.
Ohm's law: Voltage = current times resistance
E1 = I R1 = (5) (5) = 25 volts
E2 = I R2 = (5) (2) = 10 volts
Power law: Power = current times voltage
P1 = I E1 = (5) (25) = 125 watts
P2 = I E2 = (5) (10) = 50 watts
PT = P1 + P2 = 125 + 50 = 175 watts
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