Why should a resistance be introduced in a circuit in series deliberately ?
If 1 ampere current flows through 2m long conductor the charge flow through it in 1 hour will be_______________?
Which one of the following materials is useful for making bulb filaments ?
In the following figure, the terminal potential is ___________________ ?
Specific resistance of a wire____________________?
There are three bulbs of 60W 100W and 200W which bulb has thickest filament ?
Circuit which gives continuously varying potential is called _______________________?
Reciprocal of resistivity is called__________________?
Resistance of an ideal insulator is __________________?
An immersion heater of 400 watts kept on for 5 hours will consume electrical power of __________________?
