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_____________?

Related Mcqs:

1. 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)...

2. 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...

3. 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...

4. 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...

5. The force between two long parallel conductors is inversely proportional to_____________?

   A. radius of conductors B. current in one conductor C. product of current in two conductors D. distance between the conductors...

6. 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...

7. The working of a meter is based on the use of a permanent magnet. In order to protect the meter functioning from stray magnetic fields______________?

   A. meter is surrounded by strong magnetic fields B. a soft iron shielding is used C. a plastic shielding is provided D. a shielding of anon-magnetic material is used...

8. A 200 turn coil having an axial length of 30 mm and a radius of 10 mm is pivoted in a magnetic field having a flux density of 0.8 T. If the coil carries a current of 0.5 A, the torque acting on the coil will be_____________?

   A. 8 N-m B. 0.48 N-m C. 0.048 N-m D. 0.0048 N-m...

9. The materials are a bit inferior conductors of magnetic flux than air

   A. ferromagnetic B. paramagnetic C. diamagnetic D. dielectric...

10. The change of cross-sectional area of conductor in magnetic field will affect______________?

    A. reluctance of conductor B. resistance of conductor C. A. and B. both in the same way D. none of the above...