Electric current passing through the circuit produces_____________?

Related Mcqs:

1. 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

2. When a voltage of one volt is applied, a circuit allows one micro ampere current to flow through it. The conductance of the circuit is___________?

   A. 1 n-mho
   B. 106 mho
   C. 1 milli-mho
   D. none of the above

3. An instrument which detects electric current is known as_____________?

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

4. 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

5. 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

6. How many coulombs of charge flow through a circuit carrying a current of 10 A in 1 minute?

   A. 10
   B. 60
   C. 600
   D. 1200

7. In a circuit a 33 Q resistor carries a current of 2 A. The voltage across the resistor is

   A. 33 V
   B. 66 v
   C. 80 V
   D. 132 V

8. Whether circuit may be AC. or D. C. one, following is most effective in reducing the magnitude of the current?

   A. Reactor
   B. Capacitor
   C. Inductor
   D. Resistor

9. When one leg of parallel circuit is opened out the total current will______________?

   A. reduce
   B. increase
   C. decrease
   D. become zero

10. The filament of an electric bulb is made of______________?

    A. carbon
    B. aluminium
    C. tungsten
    D. nickel