FRACTIONS AND DECIMALS QUIZ

Conductance is reciprocal of

Resistance

Capacitance

Inductance

Reluctance

TRUE ANSWER : ?
YOUR ANSWER : ?

Constantan wire is used for making starndard resistance because it has

High specific resistance

Low specific resistance

High melting point

Negligibly small temperature co-efficient of resistance

TRUE ANSWER : ?
YOUR ANSWER : ?

Eureka has _______ temperature co-efficient of resistance.

Almost zero

Positive

None of the listed here

Negative

TRUE ANSWER : ?
YOUR ANSWER : ?

A copper wire has a resistance of 10 Ω. It is stretched by one-tenth of its original length. Then its resistance will be

9 Ω

12.1 Ω

11 Ω

10 Ω

TRUE ANSWER : ?
YOUR ANSWER : ?

All good conductors have high

Thermal conductivity

Reluctance

Resistance

Conductance

TRUE ANSWER : ?
YOUR ANSWER : ?

If a wire conductor of 0.2 ohm resistance is doubled in length, its resistance becomes

0.8 ohm

1.0 ohm

0.6 ohm

0.4 ohm

TRUE ANSWER : ?
YOUR ANSWER : ?

Three identical resistors are first connected in parallel and then in series. The resultant resistance of the first combination to the second will be

1/9 times

1/3 times

9 times

3 times

TRUE ANSWER : ?
YOUR ANSWER : ?

For which of the following 'ampere second' could be the unit?

Energy

Charge

Reluctance

Power

TRUE ANSWER : ?
YOUR ANSWER : ?

The current in the circuit having constant resistance is tripled. The power increases

3 times

9 times

1/3 times

1/9 times

TRUE ANSWER : ?
YOUR ANSWER : ?

Are the materials having electrical conductivity much less than most of the metals but much greater than that of typical insulators.

Semiconductors

Thermistor

Variable resistors

Varistors

TRUE ANSWER : ?
YOUR ANSWER : ?

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