Amplitude of a wave is represented by $$A=ca+b$$−c.Then resonance will occur when

Correct option is 2b = 0 and a = c

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Amplitude of a wave is represented by $A = \frac{c}{a + b - c}$ .Then resonance will occur when

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b=−c/2

b = 0 and a = c

b=−a/2

None of these

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detailed solution

Correct option is B

A=ca+b−c; when b=0, a=c amplitudeA→∞ . This corresponds to resonance.

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Amplitude of a wave is represented by A=ca+b−c.Then resonance will occur when

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Amplitude of a wave is represented by $A = \frac{c}{a + b - c}$ .Then resonance will occur when