Electric Circuits Two battery having unequal emf can be connected in series only. both a and d cannot be connected in series. cannot be connected in parallel. can be connected in series only. both a and d cannot be connected in series. cannot be connected in parallel. ANSWER DOWNLOAD EXAMIANS APP
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 battery of E Volts is supplying a steady current to a series circuit of total resistance RΩ and inductance L Henry. A part R1 of the total resistance is suddenly short circuited. Find the expression for current flowing through the battery subsequent to the operation. i = {E / R1 - R)}(1- e - (R1 - R) t / L) None of these i = {E / R}[1-(R1 / R) *e - {(R - R1 )*t/L} i = {E / (R - R1)}[1-(R1 / R) *e- {(R - R1 )t/L} i = {E / R1 - R)}(1- e - (R1 - R) t / L) None of these i = {E / R}[1-(R1 / R) *e - {(R - R1 )*t/L} i = {E / (R - R1)}[1-(R1 / R) *e- {(R - R1 )t/L} ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Two sinusoidal quantities are said to be in phase quadrature, when their phase difference is 90o. 30o. 0o. 45o. 90o. 30o. 0o. 45o. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Consider the following circuit. In this circuit, when Vs = 3 V, I = 4 A, what is the value of I when Vs = 12 V? 20 A. 15 A. 7 A. 10 A. 20 A. 15 A. 7 A. 10 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In ideal system coefficient of coupling(k) is Both 2 and 3 1 ∞ 0 Both 2 and 3 1 ∞ 0 ANSWER DOWNLOAD EXAMIANS APP
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