A field of force can exist only between_____________?

Related Mcqs:

Instantaneous power in inductor is proportional to the

A. product of the instantaneous current and rate of change of current. B. square of instantaneous current. C. square of the rate of change of current. D Temperature of the inductor....

Four wires of same material, the same cross-sectional area and the same length when connected in parallel give a resistance of 25 Q. If the same four wires are connected is series the effective resistance will be________?

A. 100 Ω B. 200 Ω C. 300 Ω D. 400 Ω...

The rating of a fuse wire is always expressed in________________?

A. ampere-hours B. ampere-volts C. kWh D. amperes...

When electric current passes through a bucket full of water, lot of bubbling is observeD. This suggests that the type of supply is____________?

A. A. C. B. D. C. C. any of above two D. none of the above...

The condition for the validity under Ohm’s law is that_______________?

A. resistance must be uniform B. current should be proportional to the size of the resistance C. resistance must be wire wound type D. temperature at positive end should be more than the temperature at negative end...