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Electrical Oscillations

What is reson...

Question

What is resonance circuit? An alternating current circuit consenting L-C-R is connected to a A.C. voltage source in series. Determine:

A

Resultant voltage

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B

Impedance

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C

Resonance frequency.

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D

None of these above

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Solution

The correct option is A Resultant voltage

Resonance of a circuit involving capacitors and inductors occurs because the collapsing magnetic, field of the inducts generates.
$V = \sqrt{V_{R}^{2} + {(V_{C} - V_{L})}^{2}}$
when $V_{C} >> V_{L}$
and at the time,
$V = \sqrt{V_{R}^{2} + {(V_{L} - V_{C})}^{2}}$

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