Electric Circuits Which of following capacitors has relatively shorter shelf life? both (B) and (C) above. Paper. Electrolytic. Glass. both (B) and (C) above. Paper. Electrolytic. Glass. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The voltage induced in an inductor is represented as, product of its inductance and current through it. product of its inductance and rate of change of current through it. ratio of its inductance to current through it. ratio of current through it to its inductance. product of its inductance and current through it. product of its inductance and rate of change of current through it. ratio of its inductance to current through it. ratio of current through it to its inductance. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 10 μF capacitor and 100 W, 220 V lamp is connected in series across a 220 V alternating supply. In which frequency of the supply the lamp will glow brightest? 1000 Hz. 100 Hz. 1 Hz. 10 Hz. 1000 Hz. 100 Hz. 1 Hz. 10 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If C be the capacitance, V be the potential difference and I be the current, then I / CV will have the unit of power. time. reactive power. frequency. power. time. reactive power. frequency. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The switch S is the circuit shown in figure is ideal. If the switch is repeatedly closed for 1 ms and opened for 1 ms, the average value of i(t) is 0.35 mA. 0.5 mA. 0.25 mA. 1 mA. 0.35 mA. 0.5 mA. 0.25 mA. 1 mA. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is referred as the average value in AC opearation? Average of all values of the phase sequences. Average of all values of an alternating quantity. Average of all values of an alternating quantity over a complete cycle. Average of all values of the (+)ve and (-)ve half. Average of all values of the phase sequences. Average of all values of an alternating quantity. Average of all values of an alternating quantity over a complete cycle. Average of all values of the (+)ve and (-)ve half. ANSWER DOWNLOAD EXAMIANS APP