Electric Circuits A 100 μF capacitor supplied from 3 V source with a frequency of 50 Hz. The capacitive reactance is 7.96 Ω. 63.68 Ω. 31.84 Ω. 15.92 Ω. 7.96 Ω. 63.68 Ω. 31.84 Ω. 15.92 Ω. 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. 0. F. F εr. εr/F. 0. F. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor having a capacitance of 40 μF is connected across 250 V DC source. The charging current will be least when capacitor is fully charged. when capacitor is almost 25% charged. when capacitor is half charged. initially. when capacitor is fully charged. when capacitor is almost 25% charged. when capacitor is half charged. initially. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The voltage across the 1 Ω resistor between the nodes A and B of the network shown in the given figure is 2 V. 3 V. 1 V. 4 V. 2 V. 3 V. 1 V. 4 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In the circuit given below the value of resistance Req is 10 Ω. 11.18 Ω. 11.86 Ω. 25 Ω. 10 Ω. 11.18 Ω. 11.86 Ω. 25 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Image impedance can be written by using short circuit impedance(Zsc)and open circuit impedance(Zoc) as Zsc+Zoc Zsc/Zoc (Zsc . Zoc)½ Zsc-Zoc Zsc+Zoc Zsc/Zoc (Zsc . Zoc)½ Zsc-Zoc ANSWER DOWNLOAD EXAMIANS APP