Physics · Alternating Current
When the frequency of an alternating current (A.C.) source is doubled, the impedance of a series L-C-R circuit:
- 1remains unchanged
- 2increases or decreases depending on the values of L, C, and R✓
- 3is doubled
- 4is halved
Correct answer
increases or decreases depending on the values of L, C, and R
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