Electric Circuits A current is said to be alternating when it changes in both ‘a’ and ‘b’. direction. magnitude. none of these. both ‘a’ and ‘b’. direction. magnitude. none of these. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The value of V in the circuit shown in the given figure is 5 V. 3 V. 4 V. 2 V. 5 V. 3 V. 4 V. 2 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In series R, L circuit power factor can be defined as Vr/V P/S R/Z All of these Vr/V P/S R/Z All of these ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Three resistances have the following ratings 150 Ω at 5 %, 100 Ω at 5 % and 200 Ω at 5 % respectively. The percentage error when all the three are connected in series will be + 7 %. + 6 %. + 8 %. + 5 %. + 7 %. + 6 %. + 8 %. + 5 %. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The capacitive reactance of an electric circuit is 50 Ohms. The frequency of supply becomes doubled. What is the new capacitive reactance? 100 Ohms. 50 Ohms. 200 Ohms. 25 Ohms. 100 Ohms. 50 Ohms. 200 Ohms. 25 Ohms. 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 VR. VL and I. Z and I. VL and Z. VL and VR. VL and I. Z and I. VL and Z. ANSWER DOWNLOAD EXAMIANS APP
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