Electric Circuits When AC flows through a pure capacitance then the current 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. leads the emf by 90o. leads the emf by - 90o. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits For a band pass filter, cut off frequency of the low pass filter should be ___ of the high pass filter? equals to greater than All of these less than equals to greater than All of these less than ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A circuit with resistor, inductor, capacitor in series is resonant of 50 Hz. If all the values are now doubled, the new resonant frequency is f0 / 2. still f0. 2f0. f0 / 4. f0 / 2. still f0. 2f0. f0 / 4. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Number of branches of a graph should be --------- number of branches of a network equals to less than equals to greater than less than equals to less than equals to greater than less than ANSWER DOWNLOAD EXAMIANS APP
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? 60 V. 30 V. 50 V. 20 V. 60 V. 30 V. 50 V. 20 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits For ideal tank circuit what is the value of dynamic impedance? 0 ∞ None of these Both 0 ∞ None of these Both ANSWER DOWNLOAD EXAMIANS APP
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