Electric Circuits VRN, VYN and VBN are three phase voltage of a balanced three phase system. If VRN = 200∠30o V and VBN = 200∠- 90o V, then phase sequence of the system is BRY. RYB. RBY. YRB. BRY. RYB. RBY. YRB. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits During charging, the electrolyte of a lead acid battery becomes diluted with water. there is no change in electrolyte. weaker. stronger. diluted with water. there is no change in electrolyte. weaker. stronger. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The internal resistance of lead acid cell is _______________ that of Edison cell. none of above. equal to. more than. less than. none of above. equal to. more than. less than. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a 3 - φ delta connection, two-wattmeter method is used to measure the power; if the two watt meters read 28.13 kW and 13.31 kW, the power factor of connection will be 0.85. 0.9. 0.4. 0.6. 0.85. 0.9. 0.4. 0.6. 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. 10 1 2.5 - 1.25 10 1 2.5 - 1.25 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Time constant of RL series circuit is 2RC L/R 2L/R RC 2RC L/R 2L/R RC ANSWER DOWNLOAD EXAMIANS APP
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