Value of εr for various dielectrics is always________________?
Value of εr for various dielectrics is always________________? A. Less than unity B. Equal to the unitC. Larger than unit D. No hard and fast rule
Value of εr for various dielectrics is always________________? A. Less than unity B. Equal to the unitC. Larger than unit D. No hard and fast rule
Which one of the following can be taken as the measure of electric intensity ? A. F/AB. V/A C. VF/A D. q/VA
Electric flux due to a point charge +q is______________? A. 1/4IIɛ q/rB. q/ɛ0 C. 1/4IIɛ0. q/r2 D. 4IIɛ0
N/C =_____________? A. V/A B. J/VC. V/m D. A/m
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______________? A. Radius decreases B. Balloon burstsC. Radius increase D. Balloon squeezes
If metallic conductor is charged negatively then its weight______________? A. Remains same B. First increases then decreases C. Decreases then increasesD. Increases for a while
If two charges are increased by two times then force_____________? A. Decreases 9 times B. Increases 9 timesC. Increases 4 times D. Decreases 4 times
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__________________? A. Spiral pathB. Straight line C. Curved path D. Circular path