Electric Circuits Under resonance condition the phase angle between voltage phase and current phase is - 90° 45° 0° 90° - 90° 45° 0° 90° ANSWER DOWNLOAD EXAMIANS APP
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 resistance. 1000 Ohms. 480 Ohms. 500 Ohms. 100 Ohms. 1000 Ohms. 480 Ohms. 500 Ohms. 100 Ohms. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The current in a chemical cell is a movement of positive and negative ions. positive ions only. negative ions only. positive hole charges. positive and negative ions. positive ions only. negative ions only. positive hole charges. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a capacitor the electric charge is stored in none of above. dielectric. metal plates. both of (A) and (B). none of above. dielectric. metal plates. both of (A) and (B). ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 20 μF capacitor and 200 W, 220 V lamp is connected in series across a 220 V alternating supply. In which frequency of the supply the lamp will glow dimmest? 100 Hz. 10 Hz. 1000 Hz. 1 Hz. 100 Hz. 10 Hz. 1000 Hz. 1 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In ideal system coefficient of coupling(k) is 1 Both 2 and 3 0 ∞ 1 Both 2 and 3 0 ∞ ANSWER DOWNLOAD EXAMIANS APP
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