⚡Electrical Engineering MCQs
Electrical Engineering MCQs
499 MCQs441
If mica sheet is placed between the plates of a capacitor the capacity_______________?
Aincreases
Bdecreases
Cincreases then decreases
Ddecreases then increases
442
If an electrons is allowed to move along the field in a non uniform electric field then it will follow__________________?
ASpiral path
BStraight line
CCurved path
DCircular path
443
Selenium becomes a conductor in light so it behaves like____________?
ASemiconductor
BPhotodiode
CLight emitting diode
DCapacitor
444
In a charged capacitor the energy resides in________________?
Amagnetic hield
Belectric field
Cnuclear field
Dgravitational field
445
A capacitor is a perfect insulator for______________?
Adirect current
Balternating current
Cboth for the direct and alternating current
Dnone of above
446
A charge of 0.10C accelerated through a potential difference of 1000V acquires kinetic energy_______________?
A200J
B100J
C1000J
D100 eV
447
Electric intensity at infinite distance from the point charge is_____________?
Azero
Binfinite
Cpositive
Dnegative
448
In a non-uniform electric field a polar molecule will experience____________?
ANet torque
BNet force
Cboth series and parallel combinations
Dzero
449
Two oppositely charged balls A and B attract third conducting ball C when placed near them turn by turn. Then ball C must be______________?
Apositively charged
Belectrically neutral
Cnegatively charged
Dpositively and negatively charged
450
capacitor is to have an energy content of 20J it must be placed across a potential difference of________________?
A4 volts
B9 volts
C2 volts
D1 vol