Technician A says a voltage drop test is an excellent means of checking circuits for opens or resistance. Technician B says to check for the source of unwanted voltage drop in a circuit, one need only place the contacts at the point where the current leaves the source voltage and the other lead at the point where it returns. Who is correct?
A) Technician A
B) Technician B
C) Both A and B
D) Neither A nor B

Question

Quizplus · Accepted Answer

Technician A is correct that a voltage drop test is an excellent means of checking circuits for opens or resistance. Technician B is incorrect because to check for the source of unwanted voltage drop in a circuit, one needs to place the contact at the point where the current enters the circuit and the other lead at the point where the voltage drops, not where it returns.

Technician a Says a Voltage Drop Test Is an Excellent