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Alternating Current — Physics STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 SciencePhysicsAlternating Current1 Mark
MCQ
In the circuit shown in fig., the resonant frequency is.
Image
  • A
    200Hz
  • B
    220Hz
  • C
    225.08Hz
  • D
    230Hz
✓

Answer

  1. 225.08Hz

Explanation:

The resonant frequecy of a circuit is given by $\text{f}=\frac{1}{2\pi\sqrt{\text{LC}}}$

Given $\text{L}=0.1\text{H }\text{C}=5\mu\text{F }\text{R}=5\Omega$

Substituting them in formula for f gives

f = 225.08 Hz.

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