Electric Circuits A capacitor having a capacitance of 40 μF is connected across 250 V DC source. The charging current will be least initially. when capacitor is almost 25% charged. when capacitor is fully charged. when capacitor is half charged. initially. when capacitor is almost 25% charged. when capacitor is fully charged. when capacitor is half charged. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a capacitive circuit, the capacitive reactance is directly proportional to frequency indirectly proportional to frequency directly proportional to the square of frequency indirectly proportional to the square of frequency directly proportional to frequency indirectly proportional to frequency directly proportional to the square of frequency indirectly proportional to the square of frequency ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Voltage magnification will occur in which of the following case? Parallel resonance Series resonance Both None of these Parallel resonance Series resonance Both None of these ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In foster 1 form 1st element is inductor. none. capacitor. both. inductor. none. capacitor. both. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following is applicable for both linear and non-linear circuits? Thevnin’s theorem. Norton’s theorem. Superposition theorem. None of these . Thevnin’s theorem. Norton’s theorem. Superposition theorem. None of these . ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 20 μF capacitor and 200 W, 220 V lamp is connected in series across a 220 V alternating supply. In which frequency of the supply the lamp will glow dimmest? 1000 Hz. 100 Hz. 1 Hz. 10 Hz. 1000 Hz. 100 Hz. 1 Hz. 10 Hz. ANSWER DOWNLOAD EXAMIANS APP
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