Electric Circuits The capacitance of a conductor is varying from 2 microfarad to zero in 1 sec linearly if the voltage applied to it is 6 V the energy stored in 0.5 sec in the condenser is 55.1 µ joules. 10 µ joules. 20 µ joules. 18 µ joules. 55.1 µ joules. 10 µ joules. 20 µ joules. 18 µ joules. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In active filter which element is absent? Both of above. Capacitor. Resistor. Inductor. Both of above. Capacitor. Resistor. Inductor. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A parallel plate capacitor with air as dielectric, force between plate is F. If capacitor is now immersed water of dielectric εr, force between plate will be – F εr. εr/F. F. 0. F εr. εr/F. F. 0. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The alternative names for active power is/are All of these true power. real power. average power. All of these true power. real power. average power. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If one cycle of AC waveform occurs every millisecond, the frequency will be 1000 Hz. 50 Hz. 10 kHz. 100 Hz. 1000 Hz. 50 Hz. 10 kHz. 100 Hz. 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