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If the roots of an equation are complex conjugate, then the response will be?

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If the roots of an equation are complex conjugate, then the response will be?

(a) over damped

(b) critically damped

(c) damped

(d) under damped

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Asked question is from DC Response of an R-L-C Circuit in portion Transients of Network Theory

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The correct choice is (d) under damped

Easy explanation: If the roots of an equation are complex conjugate, then the response will be under damped response. Damping is an influence within or upon an oscillatory system that has the effect of reducing, restricting or preventing its oscillations.

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