Asked by IGotYa
An electric circuit has an expected current of 80 amps. An electrician measures the current in the circuit at 120 amps. Which statement provides a possible explanation for this observation?(1 point) a. There is not enough voltage in the circuit. b. The circuit has an extra resistor. c. A resistor in the circuit is broken. d. There is not enough electrical energy in the circuit.
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Answered by
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c. A resistor in the circuit is broken.
Reason: By Ohm’s law I = V/R, a higher current (120 A vs. 80 A) means the total resistance decreased (or the voltage increased). A broken resistor could have failed shorted (bypassed), lowering resistance and causing the larger current.
Reason: By Ohm’s law I = V/R, a higher current (120 A vs. 80 A) means the total resistance decreased (or the voltage increased). A broken resistor could have failed shorted (bypassed), lowering resistance and causing the larger current.
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