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/F. 0. F εr. F. εr/F. 0. F εr. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following can not be connected in series unless they are identical? Both of above. Resistance. Voltage source. Current source. Both of above. Resistance. Voltage source. Current source. 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 still f0. f0 / 4. 2f0. f0 / 2. still f0. f0 / 4. 2f0. f0 / 2. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which cell has the reversible chemical reaction? Silver oxide. Lead acid. Carbon Zinc. Mercury oxide. Silver oxide. Lead acid. Carbon Zinc. Mercury oxide. 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 Less than resonance frequency Zero frequency Equal to resonance frequency Greater than resonance frequency Less than resonance frequency Zero frequency Equal to resonance frequency ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In the circuit shown in the figure the voltage across the 2 Ω resistor is 3 V. 1 V. 4 V. 2 V. 3 V. 1 V. 4 V. 2 V. ANSWER DOWNLOAD EXAMIANS APP