Electric Circuits Which of following materials has the least resistivity ? Mercury. Lead. Copper. Zinc. Mercury. Lead. Copper. Zinc. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The capacitive reactance of a capacitor of (1 / 2μF) F at 103 Hz is 10 3 μF. 10- 6 μF. 10- 3 μF. 10 6 μF. 10 3 μF. 10- 6 μF. 10- 3 μF. 10 6 μF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In series RLC circuit, voltage across resistor, inductor and capacitor are 5V, 2V and 2V respectively. Find total voltage? 9V 5V 2V 4V 9V 5V 2V 4V ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The terminals across the source are ___________ if a voltage source is to be neglected. replaced by a shunt resistance. replaced by a series resistance. short circuited. open circuited. replaced by a shunt resistance. replaced by a series resistance. short circuited. open circuited. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits For the network shown below when I = 0, V = 20 V and when R = 0, I = 10 A. If now R = 3 Ω what is the value of the current I? 10 A. 6 A. 5 A. 4 A. 10 A. 6 A. 5 A. 4 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Phase voltages of a star connected alternator are ER = 240∠0o V, EY = 240∠-120o V and EB = 240∠ + 120o V. What is the phase sequence of the system? YBR. RBY. RYB. BYR. YBR. RBY. RYB. BYR. ANSWER DOWNLOAD EXAMIANS APP