Electric Circuits Efficiency of electrical machines should be calculated by measuring losses and input. losses and output. output and input. losses. losses and input. losses and output. output and input. losses. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The internal resistance of a practical voltage source is considered to be connected in None of these series. either parallel or series. parallel. None of these series. either parallel or series. parallel. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A branch of a network is said to be active when it consists of one resistor. inductor. voltage source. capacitor. resistor. inductor. voltage source. capacitor. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Flux in a magnetic circuit can be compared in an electric circuit to resistance. voltage. current. inductance. resistance. voltage. current. inductance. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In which braking back emf exceeds supply voltage? Regenerative. Plugging. Dynamic. None of these. Regenerative. Plugging. Dynamic. None of these. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The value of unity impulse function at time (t) = 0 is infinite. 0. 1. indeterminate. infinite. 0. 1. indeterminate. ANSWER DOWNLOAD EXAMIANS APP
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