A. J/mm
B. C/m2
C. kV/mm
D. N/mm
Dielectric strength of a medium is usually expressed in____________? Read More »
Electrostatics A. Air
B. Glass
C. Bakelite
D. Paper
Which is the most superior dielectric out of the following ? Read More »
Electrostatics A. surface is moistened
B. conductive dressing is done
C. oil compound dressing is done
D. talcum powder is sprayed on the surface
To prevent the generation of static charges on rubber or flat leather__________? Read More »
Electrostatics A. Current
B. Voltage
C. impedance
D. None of the above
A capacitance is a circuit component that opposes the change in circuit__________? Read More »
Electrostatics A. metal plates
B. dielectric
C. dielectric as well as metal plates
D. none of the above
In a capacitor, the electric charge is stored in_________? Read More »
Electrostatics A. insulation
B. conductor
C. outer sheath
D. uniformly all over
The minimum value of potential gradient in a cable occurs in____________? Read More »
Electrostatics A. increases with rise in temperature
B. increases with moisture content
C. is same for all insulating materials
D. none of the above
Dielectric strength of medium____________? Read More »
Electrostatics A. 100 kV/m
B. 10 kV/m
C. 5 kV/m
D. 2 kV/m
A. It will become magnetic
B. It will melt
C. It will get punctured or cracked
D. Its molecular structure will get changed
A. ceramic plates and one mica disc
B. insulators separated by a dielectric
C. silver-coated insulators
D. conductors separated by an insulator
A capacitor consists of two____________? Read More »
Electrostatics