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At half power points of a resonance curve, the current is

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KVS TGT WET (Work Experience Teacher) 8 Jan 2017 Official Paper
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  1. 2 times the maximum current.
  2. \(\frac{1}{2}\) times the maximum current.
  3. 0.707 times the maximum current.
  4. 1.414 times the maximum current.

Answer (Detailed Solution Below)

Option 3 : 0.707 times the maximum current.
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Key Points

 At half-power points of a resonance curve, the current is 0.707 times the maximum current.

F4 Madhuri Engineering 18.01.2023 D2

Important points regarding half-power points are:

  • The current is Imax/√2.
  • Impedance is √2 R or √2 Zmin.
  • The circuit phase angle → ±45° or π/4 rad

 

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