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The value of impulse at t=0 is __________(a) 0(b) 2(c) 1(d) infiniteI had been asked this question in an international level competition.My question is taken from Electric Motors in section Braking of Electric Motors of Electric Drives

Answer»

The correct choice is (d) infinite

Best explanation: Impulse function is neither an ENERGY SIGNAL nor a power signal. It is a pulse of infinite amplitude and ZERO width. The value of impulse is 0 for TIME not equal to zero.



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