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 In the circuit shown below if I = 2 A then find V? 2 V. 5 V. 3 V. 1 V. 2 V. 5 V. 3 V. 1 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The value of supply voltage for 400 W, 4 Ω load is 400 V. 20 V. 40 V. 200 V. 400 V. 20 V. 40 V. 200 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In the figure given, the value of R is 10 Ω. 18 Ω. 12 Ω. 24 Ω. 10 Ω. 18 Ω. 12 Ω. 24 Ω. 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? 50 Ohms. 100 Ohms. 200 Ohms. 25 Ohms. 50 Ohms. 100 Ohms. 200 Ohms. 25 Ohms. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If a pure inductor is connected across the ac source, the average power taken by the inductor is zero watt. maximum power. a few watt. 100 watt. zero watt. maximum power. a few watt. 100 watt. ANSWER DOWNLOAD EXAMIANS APP