Electric Circuits A capacitor has a capacitance of 6 μF. Calculate the stored energy in it if a DC voltage of 100 V, is applied across it? 3 × 102 joules. 2.5 × 102 joules. 4 × 102 joules. 6 × 102 joules. 3 × 102 joules. 2.5 × 102 joules. 4 × 102 joules. 6 × 102 joules. 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. None of these i = {E / (R - R1)}[1-(R1 / R) *e- {(R - R1 )t/L} i = {E / R}[1-(R1 / R) *e - {(R - R1 )*t/L} i = {E / R1 - R)}(1- e - (R1 - R) t / L) None of these i = {E / (R - R1)}[1-(R1 / R) *e- {(R - R1 )t/L} i = {E / R}[1-(R1 / R) *e - {(R - R1 )*t/L} i = {E / R1 - R)}(1- e - (R1 - R) t / L) ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the relation between time period T and frequency? T = frequency. T = 0.85 / frequency. T = 0.5 / frequency. T = 1 / frequency. T = frequency. T = 0.85 / frequency. T = 0.5 / frequency. T = 1 / frequency. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The active and reactive power in an AC circuit are 10W and 20VAR respectively. What is the power factor? 1. 0.866. 0.5. 0.577. 1. 0.866. 0.5. 0.577. 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 1 A 23.33 A 3.33 A 5 A 1 A 23.33 A 3.33 A ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A periodic voltage having the Fourier series V(t)= {1 + 4sinω0t} 1 W. 21 W. 11 W. 24.5 W. 1 W. 21 W. 11 W. 24.5 W. ANSWER DOWNLOAD EXAMIANS APP
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