Electrical Engineering Mcqs — Test 104
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Question 1
When we rub a glass rod with a silk cloth then________________?
Question 2
The minimum charge on any object cannot be less than_______________?
Question 3
Electric force between two point charges in air or vacuum is F. If we replace air or vacuum by an insulator (dielectric) of relative permitivity Cr the force between the charges will_______________?
Question 4
Self-inductance of a long solenoid is______________?
Question 5
A coil of wire is arranged with its plane perpendicular to a uniform magnetic field o flux density B. when the radius of the coil increases from r1 to r2 in time Δt then what is the emf induced in the coil ?
Question 6
Self inductance of a coil depends upon________________?
Question 7
The alternating current has frequency of 106 Hz in such a way that time period for completion of cycle is_______________?
Question 8
For electroplating we use_________________?
Question 9
Energy stored in a magnetic field is given by______________?
Question 10
If the secondary coil has Ns turns and the primary Np turns the relation between secondary and primary voltages is given by_____________?