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 1 F is theoretically equal to ratio of 1 V to 1 C none of these 1 ohm of resistance ratio of 1 C to 1 V ratio of 1 V to 1 C none of these 1 ohm of resistance ratio of 1 C to 1 V ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A wire 2.5 m long is bent into a square. An current of 100 A flowing through the wire will produce a magnetizing force at the center of the square, equal to 196 AT / m. 144 AT / m. 222 AT / m. 72 AT / m. 196 AT / m. 144 AT / m. 222 AT / m. 72 AT / m. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If a capacitors of capacitance 100 μF is connected across a voltage source of 10 V, then what will be the energy stored in that capacitor? 10 × 10 - 3 Joule. 10 × 10 6 Joule. 5 × 10 - 3 Joule. 5 × 10 - 2 Joule. 10 × 10 - 3 Joule. 10 × 10 6 Joule. 5 × 10 - 3 Joule. 5 × 10 - 2 Joule. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If a resistor and a capacitor are connected to form series R - C circuit across a voltage source. If frequency of voltage source increases the current increases. the current decreases. the current decreases abruptly. the current remain unaltered. the current increases. the current decreases. the current decreases abruptly. the current remain unaltered. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An ideal constant voltage source has _______________ internal impedance whereas a constant current source has ____________ internal impedance. infinite, infinite infinite, zero zero, zero zero, infinite infinite, infinite infinite, zero zero, zero zero, infinite ANSWER DOWNLOAD EXAMIANS APP
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