Subjects
| Sections | |||
|---|---|---|---|
| Intro to Induction | 6 mins | 0 completed | Learn |
| Magnetic Flux | 13 mins | 0 completed | Learn |
| Faraday's Law | 28 mins | 0 completed | Learn |
| Lenz's Law | 22 mins | 0 completed | Learn |
| Motional EMF | 19 mins | 0 completed | Learn |
| Transformers | 10 mins | 0 completed | Learn |
| Mutual Inductance | 25 mins | 0 completed | Learn |
| Self Inductance | 19 mins | 0 completed | Learn |
| Inductors | 7 mins | 0 completed | Learn |
| LR Circuits | 22 mins | 0 completed | Learn |
| LC Circuits | 35 mins | 0 completed | Learn |
| LRC Circuits | 14 mins | 0 completed | Learn |
Initially, an inductor carries a constant current. Then the current is brought to a new constant value twice as large. After this change, what has happened to the potential difference across the inductor?
A) It is larger than before the change by a factor 4.
B) It has the same nonzero value.
C) It continues to be zero.
D) It has decreased.
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