Electrical Engineering Mcqs

A. The surface is held parallel to the electric field
B. The surface is held perpendicular to the electric field
C. The surface makes an angle of 45°with the field
D. All of the above

A. imaginary
B. physically existing every where
C. physically existing near the charges
D. depends upon case

A. The potential difference remains constant capacittance and energy stored increases
B. The potential difference remains constant capacittance decreases and energy increases
C. The potential difference decreases but both capacitance and energy increase
D. both potential difference and capacitance decrease but energy increases

A. 900 volts
B. 9000 volts
C. 90 volts
D. zero

A. in the direction of electric intensity
B. against electric intensity
C. in any direction
D. in the direction of electric flux

A. voltage applied
B. thickness of the capacitor plates
C. geometry of the capacitor
D. dinsity of the capacitor plates

A. 2.5 x 10-8 C
B. 10-5 C
C. 103 C
D. 4 x 103 C

A. series combination
B. parallel combination
C. both series and parallel combinations
D. none of above

A. 6.2 x 1018
B. 1.6 x 1019
C. 6.2 x 1021
D. 1.6 x 10-27

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