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? 1 Hz. 1000 Hz. 10 Hz. 100 Hz. 1 Hz. 1000 Hz. 10 Hz. 100 Hz. 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 0.25 mA. 1 mA. 0.35 mA. 0.5 mA. 0.25 mA. 1 mA. 0.35 mA. 0.5 mA. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In the figure, the potential difference between points P and Q is - 6 V. 12 V. 10 V. 6 V. - 6 V. 12 V. 10 V. 6 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An electric field can deflect neutrons. alpha particles. gamma-rays. x-rays. neutrons. alpha particles. gamma-rays. x-rays. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits i) In star connection line current is equal to phase current. ii) In delta connection line voltage is equal to phase voltage. For a given phase connected to the particular line which of the statement is true ? Both (1) and (2). None of these. Only (2). Only (1). Both (1) and (2). None of these. Only (2). Only (1). ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following has positive temperature coefficient ? Gold. Germanium. Rubber. Paper. Gold. Germanium. Rubber. Paper. ANSWER DOWNLOAD EXAMIANS APP
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