Electrical Engineering : Electromagnetic Induction QUESTIONS AND ANSWERS :: part1 : 11 to 15
Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
11.An e.m.f. of 16 volts is induced in a coil of inductance 4H. The rate of change of current must be |
| 64 A/s |
| 32 A/s |
| 16 A/s |
| 4 A/s |
12.Higher the self-inductance of a coil, |
| lesser its weber-turns |
| lower the e.m.f. induced |
| greater the flux produced by it |
| longer the delay in establishing steady current through it |
13.An open coil has |
| zero resistance and inductance |
| infinite resistance and zero inductance |
| infinite resistance and normal inductance |
| zero resistance and high inductance |
14.Two coils have self-inductances of 10 H and 2 H, the mutual inductance being zero. If the two coils are connected in series, the total inductance will be |
| 6 H |
| 8 H |
| 12 H |
| 24 H |
15.Which of the following circuit elements will oppose the change in circuit current ? |
| Capacitance |
| Inductance |
| Resistance |
| All of the above |
More Electromagnetic Induction QUESTIONS AND ANSWERS available in next pages
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