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? (2 + j4) pu (4 + j3) pu (4 + j2 ) pu (3 + j4) pu (2 + j4) pu (4 + j3) pu (4 + j2 ) pu (3 + j4) pu ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A voltage of v = 100 sin (wt + π/3) is applied to pure resistor of 30 Ohm. What is the RMS value of current is 1.92. 2.36. 4.71. 5.77. 1.92. 2.36. 4.71. 5.77. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Internal resistance of ideal current source is finite infinite 100 ohms zero finite infinite 100 ohms zero ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The common voltage across parallel branches with different voltage sources can be determined by the relation V = (V1 / R1 + V2 / R2 + V3 / R3) / (1 / R1 + 1 / R2 +1 / R3 .....) The statement is associated with which theorem? Superposition theorem. Norton’s theorem. Thevenin’s theorem. Millman’s theorem. Superposition theorem. Norton’s theorem. Thevenin’s theorem. Millman’s theorem. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits For symmetrical wave form average value of one full cycle is 0 1.11 2.22 1 0 1.11 2.22 1 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The instantaneous values of line current into a delta connected load in any two lines are + 2.5 amps and - 1.25 amps the current in the third line at the instant is ___________ A. - 1.25 1 10 2.5 - 1.25 1 10 2.5 ANSWER DOWNLOAD EXAMIANS APP