Electric Circuits The rms value of the resultant current in a wire which carries a DC current of 10A and a sinusoidal current of peak value 20A is 22.4A. 30A. 14.14A. 17.3A . 22.4A. 30A. 14.14A. 17.3A . ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Absolute permittivity of dielectric medium is represented as εrε0 εr ε0 εr/ε0 εrε0 εr ε0 εr/ε0 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 Three identical resistor are connected in star across a 3 phase 550 V supply dissipating a total power of 300 W the line current is ____________ A. 0.5 2.56 1 3.149 0.5 2.56 1 3.149 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In parallel RC circuit total current is 5A and current through resistor is 3A. What is the current through capacitor? 3A 2A 4A 5A 3A 2A 4A 5A ANSWER DOWNLOAD EXAMIANS APP
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? 30 V. 50 V. 20 V. 60 V. 30 V. 50 V. 20 V. 60 V. ANSWER DOWNLOAD EXAMIANS APP
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