Electrical Engineering · Electrical Measuring Instruments
What is the main advantage of using a clamp-on meter (tong tester)?
- 1It measures extremely high voltages directly
- 2It directly measures active power dissipated in a circuit
- 3It acts as a primary standard for resistance measurement
- 4It can measure alternating current in a line without breaking the circuit✓
Correct answer
It can measure alternating current in a line without breaking the circuit
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