Computer Programming MCQs

5739 MCQs  (Page 484 of 574)

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
If a charged rod is brought closer to a gas filled balloon then______________?
A. Radius decreases
B. Balloon bursts
C. Radius increase
D. Balloon squeezes
If mica sheet is placed between the plates of a capacitor the capacity_______________?
A. Increases
B. Decreases
C. Increases then decreases
D. Decreases then increases
If two charges are increased by two times then force_____________?
A. Decreases 9 times
B. Increases 9 times
C. Increases 4 times
D. Decreases 4 times
A capacitor is a perfect insulator for______________?
A. Direct current
B. Alternating current
C. Both for the direct and alternating current
D. None of above
In a charged capacitor the energy resides in________________?
A. Magnetic hield
B. Electric field
C. Nuclear field
D. Gravitational field