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

Related Mcqs:

1. 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

2. You have to replace 1500 Q resistor in radio. You have no 1500 Q resistor but have several 1000 Q ones which you would connect__________?

   A. two in parallel
   B. two in parallel and one in series
   C. three in parallel
   D. three in series

3. 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

4. A 3 Q resistor having 2 A current will dissipate the power of_______________?

   A. 2 watts
   B. 4 watts
   C. 6 watts
   D. 12 watts

5. A light bulb draws 300 mA when the voltage across it is 240 V. The resistance of the light bulb is___________?

   A. 400 Q
   B. 600 Q
   C. 800 Q
   D. 1000 Q

6. Two resistances Rl and Ri are connected in series across the voltage source where Rl>Ri. The largest drop will be across______________?

   A. Rl
   B. Ri
   C. either Rl or Ri
   D. none of them

7. An open resistor, when checked with an ohm-meter reads_____________?

   A. zero
   B. infinite
   C. high but within tolerance
   D. low but not zero

8. Electric current passing through the circuit produces_____________?

   A. magnetic effect
   B. luminous effect
   C. thermal effect
   D. chemical effect
   E. all above effects

9. 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

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

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