BASICS OF AC AND ELECTRICAL CABLES - Practice Mode

1) How the insulation coating stays without damage, even on bending the wire?

Due to wire resistance Due to high current flow Due to elastic property of insulation Due to the strength of the wire material

Correct Answer: Due to elastic property of insulation

2) What is the name of the motion of charged particles in any medium?

Current Voltage Resistance Frequency

Correct Answer: Current

3) What is the specified Vcc voltage of 4 bit digital switch with 4 independent lines?

1.5 V to 2.2 V 2.3 V to 3.6 V 4.5 V to 5.5 V 5.0 V to 7.5 V

Correct Answer: 4.5 V to 5.5 V

4) What is the purpose of standard wire gauge (SWG)?

Measure current Measure voltage Measure diameter of wire Measure insulation of wire

Correct Answer: Measure diameter of wire

5) Which electrical parameter is measured by the megger?

Current Voltage Insulation resistance Frequency

Correct Answer: Insulation resistance

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