BASIC ELECTRICAL PRACTICE - Practice Mode

1) What is the effect of the parallel circuit with one branch opened?

Current will remain same Whole circuit will not function No current will flow in that branch Voltage drop increase in the opened branch

Correct Answer: No current will flow in that branch

2) What is the unit of resistivity?

ohm / cm ohm / cm<sup>2</sup> ohm - metre ohm / metre

Correct Answer: ohm - metre

3) Which type of resistor is used for Arc quenching protection in circuit breakers?

Varistors Sensistors Thermistors Light dependent resistor (LDR)

Correct Answer: Varistors

4) Which is the application of series circuit?

Voltmeter connection Lighting circuits in home Shunt resistor in ammeter Multiplier resistor of a voltmeter

Correct Answer: Multiplier resistor of a voltmeter

5) What is the effect on opened resistor in series circuit?

No effect in opened resistor Full circuit current will flow in opened resistor Total supply voltage will appear across the opened resistor No voltage will appear across the opened resistor

Correct Answer: Total supply voltage will appear across the opened resistor

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