Alternating Current - Result Question 11
11. A series LCR circuit is connected to an ac voltage source. When
[2020]
(a) 0.5
(b) 1.0
(c) -1.0
(d) zero
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Answer:
Correct Answer: 11. (b)
Solution:
- (b) When
Phase difference
When
Phase difference
From eqs. (1) and (2),
Since,
In this case,
