Electric Circuits A 50 μF capacitor is charged to retain 10 MJ of energy by a constant charging current of 1 A. Determine the voltages across the capacitor? 60 V. 30 V. 50 V. 20 V. 60 V. 30 V. 50 V. 20 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The lead acid cell should not never be discharged beyond 2.1 V 2 V. 1.8 V. 1.9 V. 2.1 V 2 V. 1.8 V. 1.9 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the real power in AC operation? None of these. VIcosφ. Both option A and B. Apperant power × cosφ. None of these. VIcosφ. Both option A and B. Apperant power × cosφ. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is meant by the rate of flow of an electric charge? None of these Electric resistance. Electric current. Electric potential. None of these Electric resistance. Electric current. Electric potential. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Atoms with fewer than 4 valence electrons are semi-conductor. none of these. insulator. conductor. semi-conductor. none of these. insulator. conductor. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Consider the following circuit. In this circuit, when Vs = 3 V, I = 4 A, what is the value of I when Vs = 12 V? 10 A. 7 A. 15 A. 20 A. 10 A. 7 A. 15 A. 20 A. ANSWER DOWNLOAD EXAMIANS APP