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Electrostatics

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_______________?

Electrical Engineering Mcqs, Electrostatics /
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_______________?

A. decrease
B. increase
C. remain constant
D. depends upon composition of dielectric

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_______________? Read More »

Electrical Engineering Mcqs, Electrostatics

When we rub a glass rod with a silk cloth then________________?

Electrical Engineering Mcqs, Electrostatics /
When we rub a glass rod with a silk cloth then________________?

A. glass rod acquires negative charge while silk acquires positive charge
B. glass rod acquires positive charge while silk acquires negative charges
C. both glass rod and silk acquire negative charge
D. both glass rod and silk acquire positive charge

When we rub a glass rod with a silk cloth then________________? Read More »

Electrical Engineering Mcqs, Electrostatics

A capacitor in a circuit became hot and ultimately exploded due to wrong connections, which type of capacitor it could be ?

Electrostatics /
A capacitor in a circuit became hot and ultimately exploded due to wrong connections, which type of capacitor it could be ?

A. Paper capacitor
B. Ceramic capacitor
C. Electrolytic capacitor
D. Any-of the above

A capacitor in a circuit became hot and ultimately exploded due to wrong connections, which type of capacitor it could be ? Read More »

Electrostatics