Which of the following can be used to test a voltage meter before working?

A. data logger
B. known live circuit
C. circuit tester
D. continuity tester



Answer :

Final answer:

A circuit continuity tester can check for current flow between wire ends, while a multimeter can be used to test a voltage meter. Measuring voltage across a resistor and current in the circuit are standard methods for testing voltage meters.


Explanation:

A circuit continuity tester is used to check if there is a path for current flow between two wire ends. When the circuit is complete, a light or buzzer will be activated. Using a multimeter or avometer, which can serve as voltmeters, can also help test a voltage meter before working. Measuring voltage across a resistor using a voltmeter and current in the circuit using an ammeter are common practices to test a voltage meter.


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