A. F/A
B. V/A
C. VF/A
D. q/VA
Related Mcqs:
- The electric field intensity at a point situated 4 meters from a point charge is 200 N/C. If the distance is reduced to 2 meters, the field intensity will be______________?
A. 400 N/C
B. 600 N/C
C. 800 N/C
D. 1200 N/C - Electric intensity at any point in an electric field is equal to the at that point?
A. electric flux
B. magnetic flux density
C. potential gradient
D. none of the above - Electric intensity being a vector quantity always points_______________?
A. along the direction of force experienced by a unit positive charge
B. opposite to the direction of force experienced by a unit positive charge
C. perpendicular to the direction of force experienced by a uit positive charge
D. any of above - Electric intensity at infinite distance from the point charge is_____________?
A. zero
B. infinite
C. positive
D. negative - Electric field intensity is a quantity_____________?
A. scalar
B. vector
C. both A. and (6)
D. none of the above - 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 - Which instrument is used to measure the power of electric circuit ?
A. Wavemeter
B. Viscometer
C. Wattmeter
D. None of theseSubmitted by: Rashid Mehmood
- The power output of an audio system is 18 W. For a person to notice an increase in the output (loudness or sound intensity) of the system, what must the output power be increased to ?
A. 2 W
B. 6 W
C. 68 W
D. None of the above - Which of the following is an advantage of electric traction over other methods of traction ?
A. Faster acceleration
B. No pollution problems
C. Better braking action
D. All of the above - Which of the following is the advantage of electric braking ?
A. It avoids wear of track
B. Motor continues to remain loaded during braking
C. It is instantaneous
D. More heat is generated during braking
