Electric Circuits A series circuit consists of R = 20 Ω, L = 20 mH, and AC supply 60 V with f = 100 Hz. The phase angle of current in respect of supply voltage will be 28.8o. 32.1o. 20.2o. 40.4o. 28.8o. 32.1o. 20.2o. 40.4o. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the real power in AC operation? VIcosφ. Both option A and B. None of these. Apperant power × cosφ. VIcosφ. Both option A and B. None of these. Apperant power × cosφ. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A branch of a network is said to be passive when it contains battery. current source. voltmeter. voltage source. battery. current source. voltmeter. voltage source. 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? 100 Hz. 10 Hz. 1000 Hz. 1 Hz. 100 Hz. 10 Hz. 1000 Hz. 1 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A ceramic and a mica capacitor have the same physical dimension. Which has the higher value of capacitance? Ceramic capacitor. Mica capacitor. It is impossible to conclude on the basis of information supplied. Both have identical value of capacitor. Ceramic capacitor. Mica capacitor. It is impossible to conclude on the basis of information supplied. Both have identical value of capacitor. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The ratio of the resistance of a 200 W, 230 V lamp to that of a 100 W, 115 V lamp will be 2. 0.5. 0.25. 4. 2. 0.5. 0.25. 4. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS