Technician A says testing with a voltmeter can determine the voltage drop across the headlights. Technician B says a voltmeter can determine if excessive resistance is in the circuit. Who is correct?
A) Technician A only
B) Technician B only
C) Both Technician A and B
D) Neither Technician A nor B

Question

Quizplus · Accepted Answer

Technician A is correct because a voltmeter can determine the voltage drop across the headlights. Technician B is also correct because a voltmeter can detect excessive resistance in a circuit by showing a lower voltage reading than expected.

Technician a Says Testing with a Voltmeter Can Determine the Voltage