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? 1.8 µF. 4.78 µF. 8.51 µF. 10.54 µF. 1.8 µF. 4.78 µF. 8.51 µF. 10.54 µF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of following capacitors has relatively shorter shelf life? Electrolytic. Paper. Glass. both (B) and (C) above. Electrolytic. Paper. Glass. both (B) and (C) above. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When power factor angle is varying, the shape of the current locus is Semicircle Triangle Straight line Circle Semicircle Triangle Straight line Circle ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a capacitor, the electrical energy is stored in magnetic field. both ‘electric field’ and magnetic field’. none of above. electric field. magnetic field. both ‘electric field’ and magnetic field’. none of above. electric field. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following carbon coded resistor has value of 10k ohm with 20% tolerance? Red, red, green and silver stripes. Yellow, violet, yellow and silver stripes. Brown, black, orange and no tolerance band. Orange, orange, black and gold stripes. Red, red, green and silver stripes. Yellow, violet, yellow and silver stripes. Brown, black, orange and no tolerance band. Orange, orange, black and gold stripes. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If conductance increases as temperature increases it is called as .......... positive co-efficient. negative co-efficient. None of these both 1 and 2. positive co-efficient. negative co-efficient. None of these both 1 and 2. ANSWER DOWNLOAD EXAMIANS APP
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