An instrument which detects electric current is known as_____________?

A. voltmeter
B. rheostat
C. wattmeter
D. galvanometer

Related Mcqs:

Electric current passing through the circuit produces_____________?
A. magnetic effect
B. luminous effect
C. thermal effect
D. chemical effect
E. all above effects
When electric current passes through a metallic conductor, its temperature rises. This is due to__________?
A. collisions between conduction electrons and atoms
B. the release of conduction electrons from parent atoms
C. mutual collisions between metal atoms
D. mutual collisions between conducting electrons
When electric current passes through a bucket full of water, lot of bubbling is observeD. This suggests that the type of supply is____________?
A. A. C.
B. D. C.
C. any of above two
D. none of the above
One newton meter is same as_____________?
A. one watt
B. one joule
C. five joules
D. one joule second
Electric pressure is also called________?
A. resistance
B. power
C. voltage
D. energy
The filament of an electric bulb is made of______________?
A. carbon
B. aluminium
C. tungsten
D. nickel
In an electric kettle water boils in 10 m minutes. It is required to boil the boiler in 15 minutes, using same supply mains______________?
A. length of heating element should be decreased
B. length of heating element should be increased
C. length of heating element has no effect on heating if water
D. none of the above
An electric filament bulb can be worked from____________?
A. D. C. supply only
B. A. C. supply only
C. Battery supply only
D. All above
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_____________?
A. 6.4 A, 6.9 A
B. 6.4 A, 9.6 A
C. 4.6 A, 6.9 A
D. 4.6 A, 9.6 A
If 1 A current flows in a circuit, the number of electrons flowing through this circuit is
A. 0.625 × 10¹⁹
B. 1.6 × 10¹⁹
C. 1.6 × 10-¹⁹
D. 0.625 × 10-¹⁹