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Question: Answered & Verified by Expert
A diode AM detector with the output circuit consisting of R=1 kW and C=1 μF would be more suitable for detecting a carrier signal of
PhysicsSemiconductorsJEE Main
Options:
  • A 0.1 kHz
  • B 0.5 kHz
  • C 1 kHz
  • D 10 kHz
Solution:
2932 Upvotes Verified Answer
The correct answer is: 10 kHz
Given R=1  or R=1×103 Ω and C=1 μF or C=1×10-6 F.

In this condition, frequency of carrier signal,

1RC<<fc

11×103×10-6<<fc

fc>>1 kHz

Since, frequency must be greater than 1 kHz the possible answer will be fc=10 kHz.

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