Electric Circuits In active filter which element is absent? Resistor. Capacitor. Inductor. Both of above. Resistor. Capacitor. Inductor. Both of above. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An equipotential surface is one which has all points at _____________ potential. zero. none of them. same. different. zero. none of them. same. different. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If N is the number of nodes and b is the number of branches in a network, then rank of tie set matrix is b - N + 1. N - 1. N. b - N - 1. b - N + 1. N - 1. N. b - N - 1. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits For the circuit shown below the value of R is adjusted so as to make the current in RL equal to zero. Calculate the value of R. 4 Ω. 3 Ω. 1 Ω. 2 Ω. 4 Ω. 3 Ω. 1 Ω. 2 Ω. 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+? short circuit. dielectric losses decreases. dielectric losses increases. open circuit. short circuit. dielectric losses decreases. dielectric losses increases. open circuit. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the reactive power in AC operation? Real power × cosθ. Real power × sinθ. Apparent power × cosθ. Apparent power × sinθ. Real power × cosθ. Real power × sinθ. Apparent power × cosθ. Apparent power × sinθ. ANSWER DOWNLOAD EXAMIANS APP