Electric Circuits The capacitance of a conductor is varying from 2 microfarad to zero in 1 sec linearly if the voltage applied to it is 6 V the energy stored in 0.5 sec in the condenser is 18 µ joules. 55.1 µ joules. 10 µ joules. 20 µ joules. 18 µ joules. 55.1 µ joules. 10 µ joules. 20 µ joules. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the real power in AC operation? None of these. Both option A and B. Apperant power × cosφ. VIcosφ. None of these. Both option A and B. Apperant power × cosφ. VIcosφ. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits To find the initial value of a function, the highest power of S in denominator should be ---------- the highest power of S in the numerator. greater than both a and c equals to less than greater than both a and c equals to less than 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? 48.15 Ω. None of these. 47.1 Ω. 1.5 Ω. 48.15 Ω. None of these. 47.1 Ω. 1.5 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Condition for a balanced 3 - phase load is that, each phase has the same value of __________________. impedance. resistance. all of these. power factor. impedance. resistance. all of these. power factor. 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. 4. 0.25. 0.5. 2. 4. 0.25. 0.5. ANSWER DOWNLOAD EXAMIANS APP
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