Asked by Keyla Ramírez on Sep 25, 2024
Verified
What meter must NEVER be connected to a circuit when the circuit power is turned on?
A) an ammeter
B) a voltmeter
C) an ohmmeter
D) a wattmeter
Ohmmeter
An instrument for measuring electrical resistance, which is a fundamental property that quantifies how strongly a material opposes the flow of electric current.
Ammeter
An instrument used to measure the current in a circuit, usually in amperes.
Voltmeter
An instrument used for measuring electric potential difference between two points in an electric circuit.
- Discover the suitable ways to connect assorted meters in circuit configurations.
Verified Answer
NF
Noureen Farahabout 11 hours ago
Final Answer :
C
Explanation :
An ohmmeter must never be connected to a circuit when the circuit power is turned on because it sends a small current through the circuit to measure resistance. Connecting it to a live circuit can damage the meter, the circuit, or cause injury.
Learning Objectives
- Discover the suitable ways to connect assorted meters in circuit configurations.