JEE Main · PhysicsHard
In a frequency modulation system, the frequency deviation is and the modulating frequency is . Calculate the bandwidth of the FM signal using Carson's rule.
- A.60 kHz
- B.100 kHz
- C.120 kHz
- D.150 kHz
Show correct answer & step-by-step solution
Correct answer: C — 120 kHz
Solution
- Carson's rule formula is .
- Substitute the given values: .
- Calculate the result: .
- Hence the answer is (C).
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