Which tool is used to test the polarity of an electrical circuit?
A. Polarity tester
B. Ammeter
C. Circuit tester
D. Wire tracer
Answer:A
Which tool is used to test the polarity of an electrical circuit?
A. Polarity tester B. Ammeter C. Circuit tester D. Wire tracer
Explanation: A polarity tester is a tool that is used to test the polarity of an electrical circuit. It consists of two probes that are used to make contact with the circuit and a light or sound indicator that alerts the user to the polarity