Question
For an RLC circuit driven with voltage of amplitude V_ m and frequency _ 0 = 1 LC the current exhibits resonance the quality factor, Q is given by
BITSAT
Physics
Alternating Current
2021
BITSAT 2021
BITSAT Physics Question (2021) — Solution
Options
- A. _ 0 ~L
- B. _ 0 ~L R
- C. R _ 0 C
- D. CR _ 0
Answer
B. _ 0 ~L R
Step-by-step solution
Total angular momentum of the system initially \( L _ i = I _ 1 w + I _ 2 (0)= I _ 1 w \) Total angular momentum of the system finally \( L _ f = ( I _ 1 + I _ 2 ) w _ 2 \) According to conservation of angular momentum i.e. \( L _ i = L _ f \) \( aligned & I _ 1 = ( I _ 1 + I _ 2 ) _ 2 \\ & _ 2 = I _ 1 I _ 1 + I _ 2 aligned \)
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