A. 62 x 105 V/m
B. 72 x 105 V/m
C. 82 x 105 V/m
D. 92 x 105 V/m
Related Mcqs:
- 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 - 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 - In a cable capacitor, voltage gradient is maximum at the surface of the______________?
A. earth
B. conduction
C. sheath
D. insulator - The electrostatic force between two charges of one coulomb each and placed at a distance of 0.5 m will be____________?
A. 36 x 10fa
B. 36 x 107 N
C. 36 x 108 N
D. 36 x 109 N - The minimum value of potential gradient in a cable occurs in____________?
A. insulation
B. conductor
C. outer sheath
D. uniformly all over - 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 - Selenium becomes a conductor in light so it behaves like____________?
A. Semiconductor
B. Photodiode
C. Light emitting diode
D. Capacitor - 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 - 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 - While testing a capacitor with ohm meter, if the capacitor shows charging, but the final resistance reading is appreciably less than normal, it can be concluded that the capacitor is____________?
A. short-circuited
B. open circuited
C. alright
D. leaky
