Technician A says the only time an ammeter is used for testing is when the power for the circuit is disconnected. Technician B says when testing a circuit, the ammeter is always connected in series with the circuit. Who is correct?
A)A only
B)B only
C)Both A and B
D)Neither A nor B

Question

Quizplus · Accepted Answer

Technician B is correct because an ammeter must be connected in series with the circuit to measure the current flowing through it. Technician A is incorrect because an ammeter is specifically designed to be used while the circuit is powered to measure current.

Technician a Says the Only Time an Ammeter Is Used