Value of εr for various dielectrics is always________________?
A. Less than unity
B. Equal to the unit
C. Larger than unit
D. No hard and fast rule
Electrical Engineering Mcqs
Which one of the following can be taken as the measure of electric intensity ?
Which one of the following can be taken as the measure of electric intensity ?
A. F/A
B. V/A
C. VF/A
D. q/VA
Electric flux due to a point charge +q is______________?
Electric flux due to a point charge +q is______________?
A. 1/4IIɛ q/r
B. q/ɛ0
C. 1/4IIɛ0. q/r2
D. 4IIɛ0
N/C =_____________?
N/C =_____________?
A. V/A
B. J/V
C. V/m
D. A/m
Photocopier and inject printer are dealt in________________?
Photocopier and inject printer are dealt in________________?
A. Electrostatics
B. Charges in motion
C. Capacitors
D. Electric fields
If a charged rod is brought closer to a gas filled balloon then______________?
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 metallic conductor is charged negatively then its weight______________?
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 two charges are increased by two times then force_____________?
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
If mica sheet is placed between the plates of a capacitor the capacity_______________?
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 an electrons is allowed to move along the field in a non uniform electric field then it will follow__________________?
If an electrons is allowed to move along the field in a non uniform electric field then it will follow__________________?
A. Spiral path
B. Straight line
C. Curved path
D. Circular path