A. radius of conductors
B. current in one conductor
C. product of current in two conductors
D. distance between the conductors
Related Mcqs:
- Two long parallel conductors carry 100 A. If the conductors are separated by 20 mm, the force per meter of length of each conductor will be_____________?
A. 100 N
B. 10 N
C. 1 N
D. 0.1 N - Two infinitely long parallel conductors in vacuum any separated 1 metre between centers >then a current of 1 ampere flows the. uk each conductor, produce on each other a force of_________________?
A. 2 x 1(T2 N/m)
B. 2 x KT3 N/m
C. 2 x 10″5 N/m
D. 2x 1(T7 N/m) - What is the magnitude and the direction of force per 1.1m length of a pair of conductors of a direct current linecarrying 10 amperes and spaced 100 mm apart ?
A. 22 x 10″8 N
B. 22 x 10″7 N
C. 22 x 10-6 N
D. 22 x 10″5 N - The two conductors of a transmission line carry equal current I in opposite directions. The force on each conductor is________________?
A. proportional to 7
B. proportional to X
C. proportional to distance between the conductors
D. inversely proportional to I - A conductor of length L has current I passing through it, when it is placed parallel to a magnetic field. The force experienced by the conductor will be______________?
A. zero
B. BLI
C. B2LI
D. BLI2 - The materials are a bit inferior conductors of magnetic flux than air
A. ferromagnetic
B. paramagnetic
C. diamagnetic
D. dielectric - A keeper is used to_____________?
A. change the direction of magnetic lines
B. amplify flux
C. restore lost flux
D. provide a closed path for flux - The magneto-motive force is______________?
A. the voltage across the two ends of exciting coil
B. the flow of an electric current
C. the sum of all currents embraced by one line of magnetic field
D. the passage of magnetic field through an exciting coil - A 300 mm long conductor is carrying a current of 10 A and is situated at right angles to a magnetic field having a flux density of 0.8 T ; the force on the conductor will be____________?
A. 240 N
B. 24 N
C. 2.4 N
D. 0.24 N - The direction of magnetic lines of force is________________?
A. from south pole to north pole
B. from north pole to south pole
C. from one end of the magnet to another
D. none of the above
