Electric Circuits A capacitor having a capacitance of 40 μF is connected across 250 V DC source. The charging current will be least when capacitor is almost 25% charged. when capacitor is half charged. when capacitor is fully charged. initially. when capacitor is almost 25% charged. when capacitor is half charged. when capacitor is fully charged. initially. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In series RLC circuit what is the power factor just bellow the resonance frequency? Unity Leading Zero Lagging Unity Leading Zero Lagging ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A voltage of v = 100 sin (wt + π/3) is applied to pure resistor of 30 Ohm. What is the RMS value of current is 2.36. 1.92. 5.77. 4.71. 2.36. 1.92. 5.77. 4.71. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The coils having self inductor of 10 mH and 15 mH have an effective inductor of 40 mH, when connected in series aiding. What will be the equivalent inductor if we connect them in series opposing 0 mH. 20 mH. 5 mH. 10 mH. 0 mH. 20 mH. 5 mH. 10 mH. ANSWER DOWNLOAD EXAMIANS APP
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 current in the circuit? 0.4583 A. 0.2547 A. 0.1578 A. 0.1465 A. 0.4583 A. 0.2547 A. 0.1578 A. 0.1465 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The value of unity impulse function at time (t) = 0 is 1. indeterminate. 0. infinite. 1. indeterminate. 0. infinite. ANSWER DOWNLOAD EXAMIANS APP