Electric Circuits If a pure inductor is connected across the ac source, the average power taken by the inductor is zero watt. 100 watt. a few watt. maximum power. zero watt. 100 watt. a few watt. maximum power. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In RC series circuit R = 2Ω, C = 2μF and 10V dc is applied. Then what is the value of current? 5A 2A 10A 0A 5A 2A 10A 0A ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Two battery having unequal emf can be connected in series only. both a and d cannot be connected in series. cannot be connected in parallel. can be connected in series only. both a and d cannot be connected in series. cannot be connected in parallel. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor has a capacitance of 6 μF. Calculate the stored energy in it if a DC voltage of 100 V, is applied across it? 6 × 102 joules. 4 × 102 joules. 3 × 102 joules. 2.5 × 102 joules. 6 × 102 joules. 4 × 102 joules. 3 × 102 joules. 2.5 × 102 joules. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The common voltage across parallel branches with different voltage sources can be determined by the relation V = (V1 / R1 + V2 / R2 + V3 / R3) / (1 / R1 + 1 / R2 +1 / R3 .....) The statement is associated with which theorem? Millman’s theorem. Superposition theorem. Norton’s theorem. Thevenin’s theorem. Millman’s theorem. Superposition theorem. Norton’s theorem. Thevenin’s theorem. ANSWER DOWNLOAD EXAMIANS APP
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 fully charged. initially. when capacitor is half charged. when capacitor is almost 25% charged. when capacitor is fully charged. initially. when capacitor is half charged. ANSWER DOWNLOAD EXAMIANS APP
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