Related Mcqs:

1. The presence of an uncharged conductor near a charged one increases the__________?

   A. charge of the charged conductor
   B. capacity of the charged conductor
   C. potential of the charged conductor
   D. all of the above

2. The phenomenon of an uncharged body getting charged merely by the nearness of a charged body is known as____________?

   A. pholoelectric effect
   B. chemical effect
   C. magnetic effect
   D. induction

3. Two oppositely charged balls A and B attract third conducting ball C when placed near them turn by turn. Then ball C must be______________?

   A. positively charged
   B. electrically neutral
   C. negatively charged
   D. positively and negatively charged

4. The electric field at a point situated at a distance d from straight charged conductor is____________?

   A. proportional to d
   B. inversely proportional to d
   C. inversely proportional to d
   D. none of the above

5. If metallic conductor is charged negatively then its weight______________?

   A. Remains same
   B. First increases then decreases
   C. Decreases then increases
   D. Increases for a while

6. A single core cable used on 33000 V has conductor diameter 10 mm and the internal diameter of sheath 25 mm. The maximum electrostatic stress in the cable is____________?

   A. 62 x 105 V/m
   B. 72 x 105 V/m
   C. 82 x 105 V/m
   D. 92 x 105 V/m

7. Selenium becomes a conductor in light so it behaves like____________?

   A. Semiconductor
   B. Photodiode
   C. Light emitting diode
   D. Capacitor

8. The lines of force due to charged particles are_________?

   A. always straight
   B. always curved
   C. sometimes curved
   D. none of the above

9. A capacitor charged to 200 V has 2000 (iC of charge. The value of capacitance will be_____________?

   A. 10 F
   B. 10 uF
   C. 100 nF
   D. 1000 uF

10. If a 6 uF capacitor is charged to 200 V, the charge in coulombs will be____________?

    A. 800 uC
    B. 900 uC
    C. 1200 uC
    D. 1600 uC