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Physics Alternating CurrentAlternating Current OverviewClass 12thPhysics

A series LCR circuit is designed to resonate at an angular frequency ω 0 = 1 0 5 r a d / s .  The circuit draws 16W power from 120 V source at resonance. The value of resistance 'R' in the circuit is…………………………..   Ω .

3 Views|Posted 6 months ago
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1 Answer
V
6 months ago

ω 0 = 1 0 5 r a d / s e c

P = 16w, 120v at resonance

P = v 2 R ⇒ 1 6 = ( 1 2 0 ) 2 R ⇒ R = 1 4 4 0 0 1 6 = 9 0 0 Ω

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