Electric Circuits A 230V, 50Hz voltage is applied to a coil having L = 5H and R = 2 Ohm in series with capacitance C. When the voltage across the coil is 400V, find the value of C? 8.51 µF. 10.54 µF. 4.78 µF. 1.8 µF. 8.51 µF. 10.54 µF. 4.78 µF. 1.8 µF. 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 / R}[1-(R1 / R) *e - {(R - R1 )*t/L} None of these i = {E / (R - R1)}[1-(R1 / R) *e- {(R - R1 )t/L} i = {E / R1 - R)}(1- e - (R1 - R) t / L) i = {E / R}[1-(R1 / R) *e - {(R - R1 )*t/L} None of these i = {E / (R - R1)}[1-(R1 / R) *e- {(R - R1 )t/L} i = {E / R1 - R)}(1- e - (R1 - R) t / L) ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In RLC parallel circuit if current through capacitor and inductor is equal. Then What is the power factor? zero lagging unity leading zero lagging unity leading 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? Norton’s theorem. Superposition theorem. Millman’s theorem. Thevenin’s theorem. Norton’s theorem. Superposition theorem. Millman’s theorem. Thevenin’s theorem. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The value of current I flowing in the 1 Ω resistor in the circuit shown in the given figure will be 10 A. 6 A. 0 A. 5 A. 10 A. 6 A. 0 A. 5 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The internal resistance of a dry cell is of the order of 0.2 to 0.4 Ohm. 1 to 15 Ohm. 2 to 5 Ohm. 1 to 1.5 Ohm. 0.2 to 0.4 Ohm. 1 to 15 Ohm. 2 to 5 Ohm. 1 to 1.5 Ohm. ANSWER DOWNLOAD EXAMIANS APP
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