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Electrostatics

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

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

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

Electrical Engineering Mcqs, Electrostatics

Electric flux linked with a surface will be maximum when____________?

Electric flux linked with a surface will be maximum when____________?

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

Electric flux linked with a surface will be maximum when____________? Read More »

Electrical Engineering Mcqs, Electrostatics

If free space between the plates of a capacitor is replaced by a dielectric_____________?

If free space between the plates of a capacitor is replaced by a dielectric_____________?

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

If free space between the plates of a capacitor is replaced by a dielectric_____________? Read More »

Electrical Engineering Mcqs, Electrostatics

A hollow metallic sphere of 8cm diameter is charged with 4 x 10 8C. The potential on its surface will be_________________?

A hollow metallic sphere of 8cm diameter is charged with 4 x 10 8C. The potential on its surface will be_________________?

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

A hollow metallic sphere of 8cm diameter is charged with 4 x 10 8C. The potential on its surface will be_________________? Read More »

Electrical Engineering Mcqs, Electrostatics

Potential difference is the work done in moving unit positive charge form one point to another________________?

Potential difference is the work done in moving unit positive charge form one point to another________________?

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

Potential difference is the work done in moving unit positive charge form one point to another________________? Read More »

Electrical Engineering Mcqs, Electrostatics