BASIC ELECTRICAL AND ELECTRONICS - Practice Mode

1) What is the advantage of free maintenance sealed battery?

No need for check and top up distilled water. No need for recharging of battery No chance for sulphation of battery terminals No need for disconnect the terminals to remove battery

Correct Answer: No need for check and top up distilled water.

2) Which instrument is used to check the continuity of the field coils of DC motor?

Ammeter Voltmeter Ohmmeter Wattmeter

Correct Answer: Ohmmeter

3) Which type of the circuit has an infinite resistance?

Open circuit Short circuit Series closed circuit Parallel closed circuit

Correct Answer: Open circuit

4) Which type of the circuit leads to hazard effect?

Open circuit Series circuit Short circuit Parallel circuit

Correct Answer: Short circuit

5) What is the net resistance 'R' if 'R1' and 'R2' resistance are connected in series?

R = R1 + R2 R = R1 ? R2 R = R1 x R2 R = R1/R2

Correct Answer: R = R1 + R2

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