Electric Circuits A capacitor carries a charge of 0.3 C at 20 V. Its capacitance is 1.5 μF. 15 μF. 1.5 F. 0.015 F. 1.5 μF. 15 μF. 1.5 F. 0.015 F. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a series resonant circuit impedance is none of these. maximum. minimum. zero. none of these. maximum. minimum. zero. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Types of rotating machines transformer. both B and C. IM. synchronous machine. transformer. both B and C. IM. synchronous machine. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits For the circuit shown below the value of R is adjusted so as to make the current in RL equal to zero. Calculate the value of R. 3 Ω. 1 Ω. 4 Ω. 2 Ω. 3 Ω. 1 Ω. 4 Ω. 2 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor of 50 microfarad is connected in series with a resistance of 120 Ω. If above circuit is connected across 240 V, 50 Hz 1 - φ supply. Find the capacitive reactance? 0.015 Ω. 1.765 Ω. 135.86 Ω. 63.7 Ω. 0.015 Ω. 1.765 Ω. 135.86 Ω. 63.7 Ω. 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) i = {E / (R - R1)}[1-(R1 / R) *e- {(R - R1 )t/L} i = {E / R}[1-(R1 / R) *e - {(R - R1 )*t/L} None of these i = {E / R1 - R)}(1- e - (R1 - R) t / L) i = {E / (R - R1)}[1-(R1 / R) *e- {(R - R1 )t/L} i = {E / R}[1-(R1 / R) *e - {(R - R1 )*t/L} None of these ANSWER DOWNLOAD EXAMIANS APP