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| Tutorial ID | Title | Tutorial | Video Tutorial | Revision Notes | Revision Questions | |
|---|---|---|---|---|---|---|
| 16.9 | Inductance and Self-Induction |
1) What is the magnitude of the self-induced emf in a 200 mH coil if the current changes steadily from 5A to 20A in 0.02s?
Correct Answer: B
2) How many turns must a solenoid have to make a 0.5 H conductor if the solenoid is 15 cm long and its diameter is 4 cm?
Correct Answer: B
3) A 12 V emf is induced in a 2 H coil by a current that rises uniformly from zero to I in 0.1 s. What is the value of the current I?
Correct Answer: A
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