Electric Circuits An electrical motor has rating of 10 MVA at 0.8 lag, represented as series RL circuit at a 50 MVA base. Find the impedance value? (4 + j3) pu (2 + j4) pu (4 + j2 ) pu (3 + j4) pu (4 + j3) pu (2 + j4) pu (4 + j2 ) pu (3 + j4) pu ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The efficiency in case of maximum power transfer theorem is 100 %. less than 50 %. 50 % - 100 %. 50 %. 100 %. less than 50 %. 50 % - 100 %. 50 %. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following represents the resonance frequency (ω0) with respect to lower cutoff frequency (ω1) and higher cutoff frequency (ω2) √(ω1² + ω2²) ω1 + ω2 ω1 - ω2 ω1 / ω2 √(ω1² + ω2²) ω1 + ω2 ω1 - ω2 ω1 / ω2 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits For closer tolerance which of the following capacitors is usually preferred? None of them. Paper capacitor. Ceramic disc capacitor. Mica capacitor. None of them. Paper capacitor. Ceramic disc capacitor. Mica capacitor. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a capacitor the electric charge is stored in none of above. both of (A) and (B). dielectric. metal plates. none of above. both of (A) and (B). dielectric. metal plates. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the value of charge of an electron? 1.6022 × 10-7 Coulomb 1.6022 × 10-19 Coulomb 1.6022 × 10-8 Coulomb 1.6022 × 10-27 Coulomb 1.6022 × 10-7 Coulomb 1.6022 × 10-19 Coulomb 1.6022 × 10-8 Coulomb 1.6022 × 10-27 Coulomb ANSWER DOWNLOAD EXAMIANS APP
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