Electrical Engineering : Magnetism And Electromagnetism QUESTIONS AND ANSWERS :: part1 : 1 to 5
Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
1.Two infinitely long parallel conductors in vacuum anf' separated 1 metre between centres >rhen a current of 1 ampere flows thn. ugh each conductor, produce on each otLer a force of |
| 2 x 1(T2 N/m) |
| 2 x KT3 N/m |
| 2 x 10"5 N/m |
| 2x 1(T7 N/m) |
2.The force between two long parallel conductors is inversely proportional to |
| radius of conductors |
| current in one conductor |
| product of current in two conduc�tors |
| distance between the conductors |
3.A material which is slightly repelled by a magnetic field is known as |
| ferromagnetic material |
| diamagnetic material |
| paramag>etic material |
| conducting material |
4.In the left hand rule, forefinger always represents |
| voltage |
| current |
| magnetic field |
| direction of force on the conductor |
5.Substances which have permeability less than the permeability of free space are known as |
| ferromagnetic |
| paramagnetic |
| diamagnetic |
| bipolar |
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