Electric Circuits The rms value of the resultant current in a wire which carries a DC current of 10A and a sinusoidal current of peak value 20A is 22.4A. 30A. 14.14A. 17.3A . 22.4A. 30A. 14.14A. 17.3A . ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A parallel plate capacitor has a capacitance of C farad. It area of the plates is doubled and the distance between them is half, the capacitance of the capacitor is 16C Farad. 2C Farad. 4C Farad. C Farad. 16C Farad. 2C Farad. 4C Farad. C Farad. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor of 50 microfarad is connected in series with a resistance of 120 Ω. If above circuit is connected across 240 V, 50 Hz 1 - φ supply. Find the capacitive reactance? 0.015 Ω. 63.7 Ω. 135.86 Ω. 1.765 Ω. 0.015 Ω. 63.7 Ω. 135.86 Ω. 1.765 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In series R, L circuit power factor can be defined as Vr/V R/Z All of these P/S Vr/V R/Z All of these P/S ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Say A point has an absolute potential of 40 V and point B has an absolute potential of - 10 V, then what will be the value of VBA ? - 50 V. none of above. 50 V. 30 V. - 50 V. none of above. 50 V. 30 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Four capacitors each of 40 µF are connected in parallel, the equivalent capacitance of the system will be 160 µF 10 µF 5 µF 40 µF 160 µF 10 µF 5 µF 40 µF ANSWER DOWNLOAD EXAMIANS APP
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