Electric Circuits When 125 V is applied across a 250 V, 100 W filament incandescent bulbs, the power consumption is 12.5 W. 25 W. 100 W. 50 W. 12.5 W. 25 W. 100 W. 50 W. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the followings is the expression for energy stored in a capacitor? C / v. (1 / 2) Cv2. Cv. C dv / dt. C / v. (1 / 2) Cv2. Cv. C dv / dt. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Time constant is the time taken for response to rise -------of maximum value? 68.3% 100% 63.2% 90% 68.3% 100% 63.2% 90% ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of following materials has the least resistivity ? Zinc. Copper. Lead. Mercury. Zinc. Copper. Lead. Mercury. 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 Z. VL and I. VL and VR. Z and I. VL and Z. VL and I. VL and VR. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following materials has highest electrical conductivity ? Steel. Copper. Aluminium. Silver. Steel. Copper. Aluminium. Silver. ANSWER DOWNLOAD EXAMIANS APP