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A resonant circuit has a lower critical frequency of 7KHz and an upper critical frequency of 13KHz. The bandwidth of the circuit is
  • a)
    7 kHz
  • b)
    13 kHz
  • c)
    20 kHz
  • d)
    6 kHz
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
A resonant circuit has a lower critical frequency of 7KHz and an uppe...
The bandwidth of the circuit is
Hence, the correct option is (D)
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A resonant circuit has a lower critical frequency of 7KHz and an uppe...
Understanding Resonant Circuits
A resonant circuit, also known as a tuned circuit, is designed to operate at specific frequencies. It has two critical frequencies: the lower critical frequency (f1) and the upper critical frequency (f2). The bandwidth of the circuit is defined as the difference between these two frequencies.
Critical Frequencies
- Lower Critical Frequency (f1): 7 kHz
- Upper Critical Frequency (f2): 13 kHz
Calculating Bandwidth
The bandwidth (BW) of the resonant circuit can be calculated using the formula:
BW = f2 - f1
Substituting the given values:
BW = 13 kHz - 7 kHz
Result
- BW = 6 kHz
Thus, the bandwidth of the circuit is 6 kHz.
Conclusion
The correct answer to the question is option "d) 6 kHz". Understanding the concept of bandwidth in resonant circuits is crucial for applications in communication and signal processing, as it determines the range of frequencies that can be effectively transmitted or received.
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A resonant circuit has a lower critical frequency of 7KHz and an upper critical frequency of 13KHz. The bandwidth of the circuit isa)7 kHzb)13 kHzc)20 kHzd)6 kHzCorrect answer is option 'D'. Can you explain this answer?
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