Electric Circuits What is the real power in AC operation? Apperant power × cosφ. VIcosφ. None of these. Both option A and B. Apperant power × cosφ. VIcosφ. None of these. Both option A and B. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Electro-chemical equivalent is usually expressed in mg per kW. mg per coulomb. mg per volt. mg per kVA. mg per kW. mg per coulomb. mg per volt. mg per kVA. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If C be the capacitance, V be the potential difference and I be the current, then I / CV will have the unit of reactive power. power. frequency. time. reactive power. power. frequency. time. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The ratio of intensity of magnetisation to the magnetising force is known as relative permeability. susceptibility. none of above. flux density. relative permeability. susceptibility. none of above. flux density. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the followings is the expression for energy stored in a capacitor? C dv / dt. Cv. C / v. (1 / 2) Cv2. C dv / dt. Cv. C / v. (1 / 2) Cv2. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In direct arc furnace which of following is of high value? Current. Voltage. Power factor. All of above. Current. Voltage. Power factor. All of above. ANSWER DOWNLOAD EXAMIANS APP