Electrical Engineering Mcqs

SI unit of the permittivity of free space is________________?

(A) Nm2C2
(B) N-1mC-2
(C) NmC-1
(D) N-1m-2C2

Submitted By :Ali Uppal

Value of εr for various dielectrics is always________________?

(A) Less than unity
(B) Equal to the unit
(C) Larger than unit
(D) No hard and fast rule

Submitted By :Ali Uppal

Which one of the following can be taken as the measure of electric intensity ?

(A) F/A
(B) V/A
(C) VF/A
(D) q/VA

Submitted By :Ali Uppal

Electric flux due to a point charge +q is______________?

(A) 1/4IIɛ q/r
(B) q/ɛ0
(C) 1/4IIɛ0. q/r2
(D) 4IIɛ0

Submitted By :Ali Uppal

N/C =_____________?

(A) V/A
(B) J/V
(C) V/m
(D) A/m

Submitted By :Ali Uppal

Photocopier and inject printer are dealt in________________?

(A) Electrostatics
(B) Charges in motion
(C) Capacitors
(D) Electric fields

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If a charged rod is brought closer to a gas filled balloon then______________?

(A) Radius decreases
(B) Balloon bursts
(C) Radius increase
(D) Balloon squeezes

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If the distance between the two point charges become half then force between them becomes______________?

(A) double
(B) half
(C) four times
(D) remains same

Submitted By :Ali Uppal

The electric charge of 100 °C is 13cm apart from another charge 16.9°C electric force between them is_____________?

(A) 9x107N
(B) 900N
(C) 9x105N
(D) 9x106N

Submitted By :Ali Uppal

Two charges are placed at a certain distance. If the magnitude of each charge is doubled the force will become_____________?

(A) 1/4th of its original value
(B) 1/8th of its original value
(C) 4 times of its original value
(D) 8 times of its original value

Submitted By :Ali Uppal