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 32.1o. 28.8o. 40.4o. 20.2o. 32.1o. 28.8o. 40.4o. 20.2o. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Energy efficiency during electroplating is usually in the range 50 to 80%. 80 to 85%. 85 to 90%. 90 to 99%. 50 to 80%. 80 to 85%. 85 to 90%. 90 to 99%. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Whenever current is supplied by a source its terminal voltage decreases. increases. increases exponentially. remains constant. decreases. increases. increases exponentially. remains constant. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Final value theorem is not applicable for which of the following? stable systems unstable systems marginally stable systems Both 2 and 3 stable systems unstable systems marginally stable systems Both 2 and 3 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is referred as the average value in AC opearation? Average of all values of the (+)ve and (-)ve half. Average of all values of an alternating quantity. Average of all values of the phase sequences. Average of all values of an alternating quantity over a complete cycle. Average of all values of the (+)ve and (-)ve half. Average of all values of an alternating quantity. Average of all values of the phase sequences. Average of all values of an alternating quantity over a complete cycle. 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? 1 Hz. 100 Hz. 10 Hz. 1000 Hz. 1 Hz. 100 Hz. 10 Hz. 1000 Hz. ANSWER DOWNLOAD EXAMIANS APP
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