A. D.C voltage
B. A.C voltage
C. Half A.C voltage
D. Half D.C voltage
Related Mcqs:
- For long distance transmission the transformer used is_____________?
A. Step down
B. Input voltage and output voltage remain same
C. Step up
D. Amplifier is used - A.C cannot be used for________________?
A. producing heat
B. producing light
C. magnetizing and electroplating
D. all the above - Suri transmission is_________________?
A. electrical-pneumatic
B. mechanical-electrical
C. hydro-mechanical
D. hydro-pneumatic - Long distance railways use which of the following ?
A. 200 V D.C.
B. 25 kV single phase A.C.
C. 25 kV two phase A.C.
D. 25 kV three phase A.C. - Power for lighting in passanger coach, in a long distance electric train, is provided_________________?
A. directly through overhead electric line
B. through individual generator of bogie and batteries
C. through rails
D. through locomotive - Electric intensity at infinite distance from the point charge is_____________?
A. zero
B. infinite
C. positive
D. negative - 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 - 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 - Which one of the following functions like a motor ?
A. galvanometer
B. ammeter
C. voltmeter
D. all of above - Which one of the following devices does not function like an electric motor ?
A. Galvanometer
B. Ammeter
C. Voltmeter
D. Transformer
