Electric Circuits Two wires of A and B of the same material and length ‘l’ and ‘2l’ have radius ‘r’ and ‘2r’ respectively. The ratio of their specific resistance will be 1:1. 4:1. 1:2. 1:8. 1:1. 4:1. 1:2. 1:8. 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? VL and I. Z and I. VL and Z. VL and VR. VL and I. Z and I. VL and Z. VL and VR. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is referred as the average value in AC opearation? Average of all values of the (+)ve and (-)ve half. Average of all values of an alternating quantity. Average of all values of the phase sequences. Average of all values of an alternating quantity over a complete cycle. Average of all values of the (+)ve and (-)ve half. Average of all values of an alternating quantity. Average of all values of the phase sequences. Average of all values of an alternating quantity over a complete cycle. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When power factor angle is constant, then shape of the current locus is semi circle. triangle. circle. straight line. semi circle. triangle. circle. straight line. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Given network is having N nodes and B branches, then number of twigs are B - N - 1. N - 1. B - N + 1. N. B - N - 1. N - 1. B - N + 1. N. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits From the given figure find the R3 25 mega ohm 25 ohm 25 mili ohm 25 kilo ohm 25 mega ohm 25 ohm 25 mili ohm 25 kilo ohm ANSWER DOWNLOAD EXAMIANS APP