Electric Circuits Under resonance condition the phase angle between voltage phase and current phase is - 90° 0° 90° 45° - 90° 0° 90° 45° ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If the peak value of a sine wave is 100 V, then its RMS value will be 88 V. 63.6 V. 100 V. 70.7 V. 88 V. 63.6 V. 100 V. 70.7 V. 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 inductance. 0.47 µF. 1.58 µF. 2.25 µF. 6.37 µF. 0.47 µF. 1.58 µF. 2.25 µF. 6.37 µF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Time constant of RL series circuit is 2L/R RC L/R 2RC 2L/R RC L/R 2RC ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If a resistor and an inductor are connected in series across a voltage source. Which two parameters in that circuit decrease if frequency of voltage source increases? VR and I. VL and Z. Z and I. VL and VR. VR and I. VL and Z. Z and I. VL and VR. 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 remain unaltered. the current increases. the current decreases. the current decreases abruptly. the current remain unaltered. the current increases. the current decreases. the current decreases abruptly. ANSWER DOWNLOAD EXAMIANS APP