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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)
Responses
The circuit has an extra resistor.
The circuit has an extra resistor.
There is not enough voltage in the circuit.
There is not enough voltage in the circuit.
There is not enough electrical energy in the circuit.
There is not enough electrical energy in the circuit.
A resistor in the circuit is broken.
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Answered by
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A resistor in the circuit is broken.
If the resistor failed short (i.e., no longer providing its resistance), the total circuit resistance would drop, causing the current to rise (Ohm's law: I = V/R), explaining the measured 120 A.
If the resistor failed short (i.e., no longer providing its resistance), the total circuit resistance would drop, causing the current to rise (Ohm's law: I = V/R), explaining the measured 120 A.
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