Electric Circuits A balanced three Phase Y-connected load has one phase voltage VB = 277∠45o V. The phase sequence is RYB. The line to line voltage VRY is 339∠45o V. 480∠45o V. 339∠- 45o V. 480∠ - 45o V. 339∠45o V. 480∠45o V. 339∠- 45o V. 480∠ - 45o V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A wire of resistance R has it length and cross - section both doubled. Its resistance will become R. 0.5R. 2R. 4R. R. 0.5R. 2R. 4R. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A current in a circuit is given by, If the current flows through the 5 Ω resistor, find power dissipated at t = 0? 10 Watts. 20 Watts. 15 Watts. 40 Watts. 10 Watts. 20 Watts. 15 Watts. 40 Watts. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Five cells are connected in series in a row and then four such rows are connected in parallel to Feed the current to a resistive load of 1.25Ω. Each cell has an emf of 1.5 V with internal resistance Of 0.2Ω. The current through the load will be 5 A 23.33 A 3.33 A 1 A 5 A 23.33 A 3.33 A 1 A ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits i) In star connection line current is equal to phase current. ii) In delta connection line voltage is equal to phase voltage. For a given phase connected to the particular line which of the statement is true ? None of these. Only (1). Both (1) and (2). Only (2). None of these. Only (1). Both (1) and (2). Only (2). ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If the sheet of a backelite is inserted between the plates of an air capacitor, the capacitance will becomes zero. decrease. increase. remains unchanged. becomes zero. decrease. increase. remains unchanged. ANSWER DOWNLOAD EXAMIANS APP
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