Electric Circuits A 50 μF capacitor is charged to retain 10 MJ of energy by a constant charging current of 1 A. Determine the voltages across the capacitor? 20 V. 50 V. 60 V. 30 V. 20 V. 50 V. 60 V. 30 V. 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. lags the emf by 90o. is in phase with emf. leads the emf by 90o. leads the emf by - 90o. lags the emf by 90o. is in phase with emf. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following represents the resonance frequency (ω0) with respect to lower cutoff frequency (ω1) and higher cutoff frequency (ω2) √(ω1² + ω2²) ω1 - ω2 ω1 + ω2 ω1 / ω2 √(ω1² + ω2²) ω1 - ω2 ω1 + ω2 ω1 / ω2 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Nodal analysis can be applied for planar networks. non planar networks. both planar and non planar networks. neither planar and non planar networks. planar networks. non planar networks. both planar and non planar networks. neither planar and non planar networks. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor of 50 microfarad is connected in series with a resistance of 120 Ω. If above circuit is connected across 240 V, 50 Hz 1 - φ supply. Find the capacitive reactance? 0.015 Ω. 135.86 Ω. 1.765 Ω. 63.7 Ω. 0.015 Ω. 135.86 Ω. 1.765 Ω. 63.7 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A series circuit consists of R = 20 Ω, L = 20 mH, and AC supply 60 V with f = 100 Hz. The current in R is 2.54 A. 10.16 A. 5.08 A. 1.27 A. 2.54 A. 10.16 A. 5.08 A. 1.27 A. ANSWER DOWNLOAD EXAMIANS APP
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