Electric Circuits A pole of driving point impedance is zero current for a finite value of driving voltage. zero voltage for a finite value of driving voltage. zero voltage for a finite value of driving current. zero current for a finite value of driving current. zero current for a finite value of driving voltage. zero voltage for a finite value of driving voltage. zero voltage for a finite value of driving current. zero current for a finite value of driving current. 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 If a resistor and an inductor are connected in series across a voltage source. Which two parameters in that circuit increase if frequency of voltage source increases? Z and I. VL and VR. VL and Z. VL and I. Z and I. VL and VR. VL and Z. VL and I. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the followings is the expression for energy stored in a capacitor? C / v. (1 / 2) Cv2. C dv / dt. Cv. C / v. (1 / 2) Cv2. C dv / dt. Cv. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An equipotential surface is one which has all points at _____________ potential. different. none of them. same. zero. different. none of them. same. zero. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor of 50 microfarad is connected in series with a resistance of 120 Ω. If above circuit is connected across 240 V, 50 Hz 1 - φ supply. Find the capacitive reactance? 135.86 Ω. 1.765 Ω. 63.7 Ω. 0.015 Ω. 135.86 Ω. 1.765 Ω. 63.7 Ω. 0.015 Ω. ANSWER DOWNLOAD EXAMIANS APP