Electric Circuits A series RLC circuit is connected across a 240V, 50 Hz supply. When the voltage across capacitor is 250V, a maximum current of 0.5A flows in the circuit. Find the inductance. 2.25 µF. 1.58 µF. 0.47 µF. 6.37 µF. 2.25 µF. 1.58 µF. 0.47 µF. 6.37 µF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If two point charges are denoted by + Q and - Q and distance between this charges is d, then the dipole moment P equal to Q2 / d. Q / d2. Q2 × d. Q × d. Q2 / d. Q / d2. Q2 × d. Q × d. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the reactive power in AC operation? Real power × sinθ. Apparent power × sinθ. Apparent power × cosθ. Real power × cosθ. Real power × sinθ. Apparent power × sinθ. Apparent power × cosθ. Real power × cosθ. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A variable capacitance is one whose capacitance can be changed manually or by mechanical force. changes with temperature. changes with time. changes with voltage. can be changed manually or by mechanical force. changes with temperature. changes with time. changes with voltage. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Voltage magnification will occur in which of the following case? None of these Series resonance Both Parallel resonance None of these Series resonance Both Parallel resonance ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The efficiency in case of maximum power transfer theorem is 50 %. 100 %. less than 50 %. 50 % - 100 %. 50 %. 100 %. less than 50 %. 50 % - 100 %. ANSWER DOWNLOAD EXAMIANS APP