Electric Circuits Time constant is the time taken for response to rise -------of maximum value? 68.3% 100% 90% 63.2% 68.3% 100% 90% 63.2% ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In ideal system coefficient of coupling(k) is Both 2 and 3 1 ∞ 0 Both 2 and 3 1 ∞ 0 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. 1 Hz. 10 Hz. 100 Hz. 1000 Hz. 1 Hz. 10 Hz. 100 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Pure metal generally have high conductivity and large temperature coefficient. high conductivity and low temperature coefficient. low conductivity and high temperature coefficient. low conductivity and zero temperature coefficient. high conductivity and large temperature coefficient. high conductivity and low temperature coefficient. low conductivity and high temperature coefficient. low conductivity and zero temperature coefficient. 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? Norton’s theorem. Superposition theorem. Millman’s theorem. Thevenin’s theorem. Norton’s theorem. Superposition theorem. Millman’s theorem. Thevenin’s theorem. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When AC flows through a pure capacitance then the current leads the emf by 90o. leads the emf by - 90o. is in phase with emf. lags the emf by 90o. leads the emf by 90o. leads the emf by - 90o. is in phase with emf. lags the emf by 90o. ANSWER DOWNLOAD EXAMIANS APP
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