Electric Circuits Under resonance condition the phase angle between voltage phase and current phase is - 90° 90° 45° 0° - 90° 90° 45° 0° ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In which braking back emf exceeds supply voltage? None of these. Regenerative. Plugging. Dynamic. None of these. Regenerative. Plugging. Dynamic. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 10 μF capacitor and 100 W, 220 V lamp is connected in series across a 220 V alternating supply. In which frequency of the supply the lamp will glow brightest? 1000 Hz. 10 Hz. 1 Hz. 100 Hz. 1000 Hz. 10 Hz. 1 Hz. 100 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When AC flows through a pure capacitance then the current leads the emf by 90o. leads the emf by - 90o. is in phase with emf. lags the emf by 90o. leads the emf by 90o. leads the emf by - 90o. is in phase with emf. lags the emf by 90o. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A reactance having an inductor of 0.15 H is connected in series with 10 Ω resistance. What will be the inductive reactance? None of these. 48.15 Ω. 1.5 Ω. 47.1 Ω. None of these. 48.15 Ω. 1.5 Ω. 47.1 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When power factor angle is varying, the shape of the current locus is Straight line Semicircle Triangle Circle Straight line Semicircle Triangle Circle ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS