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 / 4. still f0. 2f0. f0 / 2. f0 / 4. still f0. 2f0. f0 / 2. 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 – εr/F. F. F εr. 0. εr/F. F. F εr. 0. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits At which of the following frequency voltage across capacitor has maximum value for series circuit ? Greater than resonance frequency Equal to resonance frequency Less than resonance frequency Zero frequency Greater than resonance frequency Equal to resonance frequency Less than resonance frequency Zero frequency ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The delta equation of given star connected impedance ZQR is equal to (20 + j10) Ω. (5 + j10 / 3) Ω. (10 + j30) Ω. 40 Ω. (20 + j10) Ω. (5 + j10 / 3) Ω. (10 + j30) Ω. 40 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Resistance of which material does not change with change in temperature? Tungsten. Brass. Metal alloys constantan and manganin. Platinum. Tungsten. Brass. Metal alloys constantan and manganin. Platinum. 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? greater than equals to less than All of these greater than equals to less than All of these ANSWER DOWNLOAD EXAMIANS APP
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