Electrical Engineering : Magnetism And Electromagnetism QUESTIONS AND ANSWERS :: part2 : 16 to 20
Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
16.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 |
| 240 N |
| 24 N |
| 2.4 N |
| 0.24 N |
17.One telsa is equal to |
| 1 Wb/mm2 |
| 1 Wb/m |
| 1 Wb/m2 |
| 1 mWb/m2 |
18.Unit for quantity of electricity is |
| ampere-hour |
| watt |
| joule |
| coulomb |
19.The magnetism left in the iron after exciting field has been removed is known as |
| permeance |
| residual magnetism |
| susceptance |
| reluctance |
20.Two long parallel conductors carry 100 A. If the conductors are separated by 20 mm, the force per metre of length of each conductor will be |
| 100 N |
| 10 N |
| 1 N |
| 0.1 N |
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