CURRENT ELECTRICITY QUIZ

Specific resistance of a substance is measured in

m/Ω

Ω-m

Ω/m

None of the listed here

TRUE ANSWER : ?
YOUR ANSWER : ?

A current of 16 amperes divides between two branches in parallel of resistances 8 ohms and 12 ohms respectively. The current in each branch is

4.6 A, 9.6 A

4.6 A, 6.9 A

6.4 A, 6.9 A

6.4 A, 9.6 A

TRUE ANSWER : ?
YOUR ANSWER : ?

Three resistance of 10 ohms, 15 ohms, and 30 ohm are connected in parallel. The total resistance of the combination is

15 ohms

55 ohms

5 ohms

10 ohms

TRUE ANSWER : ?
YOUR ANSWER : ?

Voltage dependent resistors are used

As current stabilizers

As heating elements

For inductive circuits

To suppress surges

TRUE ANSWER : ?
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An instrument which detects electric current is known as

Galvanometer

Voltmeter

Wattmeter

Rheostat

TRUE ANSWER : ?
YOUR ANSWER : ?

Resistance of 220 V, 100 W lamp will be

484 ft

4.84 Q

4840 Q

48.4 Q

TRUE ANSWER : ?
YOUR ANSWER : ?

The maximum current rating for a 10 kΩ, 0.5 W resistor is

0.707 mA

14.14 mA

28.28 mA

7.07 mA

TRUE ANSWER : ?
YOUR ANSWER : ?

Resistance of a tungsten lamp _____ as applied voltage increases.

Remains same

Increases

Decreases

None of the listed here

TRUE ANSWER : ?
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E. M. F. In a circuit

None of the listed here

Decrease circuit resistance

Maintains potential difference

Increases circuit resistance

TRUE ANSWER : ?
YOUR ANSWER : ?

When resistance element of a heater fuses and then we reconnect it after removing a portion of it, the power of the heater will

Remain constant

Increase

None of these

Decrease

TRUE ANSWER : ?
YOUR ANSWER : ?

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