If metallic conductor is charged negatively then its weight______________?

Related Mcqs:

1. An uncharged conductor is placed near a charged conductor, then_____________?

   A. the uncharged conductor gets charged by conduction
   B. the uncharged conductor gets charged by induction and then attracted towards the charging body
   C. the uncharged conductor is attracted first and then charged by induction
   D. it remains as such

2. A hollow metallic sphere of 8cm diameter is charged with 4 x 10 8C. The potential on its surface will be_________________?

   A. 900 volts
   B. 9000 volts
   C. 90 volts
   D. zero

3. The resistance of a conductor of diameter d and length l is R Ω. If the diameter of the conductor is halved and its length is doubled, the resistance will be

   A. R Ω
   B. 2R Ω
   C. 4R Ω
   D. 8R Ω

4. An electric current induced within the body of a conductor when that conductor either moves through a non uniform magnetic field or in a region where there is a change in magnetic flux is called_____________?

   A. Induced current
   B. Eddy current
   C. Back emf
   D. None of the above

5. 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

6. 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

7. 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

8. The metallic spheres A and B of radii 2m and 4m respectively carry the same charge 4 x 10 8C. If the spheres are connected by a copper wire_______________?

   A. charge will flow from A to B
   B. charge will flow from B to A
   C. no flow of charge will occur
   D. both a and b are possible

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

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

10. 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