In a capacitor, the electric charge is stored in_________?

A. Metal plates
B. Dielectric
C. Dielectric as well as metal plates
D. None of the above

The minimum value of potential gradient in a cable occurs in____________?

A. Insulation
B. Conductor
C. Outer sheath
D. Uniformly all over

Dielectric strength of medium____________?

A. Increases with rise in temperature
B. Increases with mositure content
C. Is same for all insulating materials
D. None of the above

A potential of 400 V is applied to a capacitor, the plates of which are 4 mm apart. The strength of electric field is___________?

A. 100 kv/m
B. 10 kv/m
C. 5 kv/m
D. 2 kv/m

What will happen to an insulating medium if voltage more than the breakdown voltage is applied on it__________ ?

A. It will become magnetic
B. It will melt
C. It will get punctured or cracked
D. Its molecular structure will get changed

A capacitor consists of two____________?

A. Ceramic plates and one mica disc
B. Insulators separated by a dielectric
C. Silver-coated insulators
D. Conductors separated by an insulator

The time constant and R-C circuit may also be defined as the time during which the charging current falls to ________ percent of its initial maximum value

A. 37
B. 42
C. 63
D. 73

at a point may be defined as equal to the lines of force passing normally through a unit cross section at that point ?

A. Electric intensity
B. Magnetic flux density
C. Electric flux
D. None of the above

A single core cable used on 33000 V has conductor diameter 10 mm and the internal diameter of sheath 25 mm. The maximum electrostatic stress in the cable is____________?

A. 62 x 105 v/m
B. 72 x 105 v/m
C. 82 x 105 v/m
D. 92 x 105 v/m

capacitors are used for audio frequency and radio frequency coupling and tuning ?

A. Air
B. Mica
C. Plastic film
D. Ceramic