Electric Circuits Condition of symmetry in ABCD parameter representation is C = D. AD - BC = 1. A = D. B = D. C = D. AD - BC = 1. A = D. B = D. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Efficiency of electrical machines should be calculated by measuring losses and output. output and input. losses. losses and input. losses and output. output and input. losses. losses and input. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The terminals across the source are ___________ if a voltage source is to be neglected. replaced by a series resistance. short circuited. open circuited. replaced by a shunt resistance. replaced by a series resistance. short circuited. open circuited. replaced by a shunt resistance. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor is connected to supply with switch and the switch is connected between capacitor and supply. Initially switch is open at time zero, and then switch is closed. Then how capacitor behaves at time t = 0+? dielectric losses increases. dielectric losses decreases. short circuit. open circuit. dielectric losses increases. dielectric losses decreases. short circuit. open circuit. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In RL series circuit R=2Ω and L=2mH. What is the value of time constant? 4msec 100sec 1msec 2msec 4msec 100sec 1msec 2msec ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An electric field line and an equipotential surface are always perpendicular. inclined at any angle. none of above. always parallel. always perpendicular. inclined at any angle. none of above. always parallel. ANSWER DOWNLOAD EXAMIANS APP