Electric Circuits A external resistance R is connected to a cell of internal resistance r, then the current is maximum when R = r. None of these R > r. R < r. R = r. None of these R > r. R < r. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits For finding the Z11 parameter at the input port of a two port network output port is short circuited. input port is short circuited. input port is open circuited. output port is open circuited. output port is short circuited. input port is short circuited. input port is open circuited. output port is open circuited. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Average power taken by the pure capacitor is Any of the above Minimum Maximum Zero Any of the above Minimum Maximum Zero ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is apparent power in AC operation? Product of rms voltage and rms current. Product of voltage and current at no load. Product of voltage and current. Product of voltage and current at full load. Product of rms voltage and rms current. Product of voltage and current at no load. Product of voltage and current. Product of voltage and current at full load. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In RLC series circuit R = 2Ω, L = 2mH and C = 1μF. Find the time constant of the circuit? 2 msec 4 msec 1 μsec 2 μsec 2 msec 4 msec 1 μsec 2 μsec ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An electrical motor has rating of 10 MVA at 0.8 lag, represented as series RL circuit at a 50 MVA base. Find the impedance value? (4 + j3) pu (2 + j4) pu (3 + j4) pu (4 + j2 ) pu (4 + j3) pu (2 + j4) pu (3 + j4) pu (4 + j2 ) pu ANSWER DOWNLOAD EXAMIANS APP
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