Electric Circuits The frequency of EMF generated by a generator depends upon its nature of supply. speed. both speed and number of poles. number of poles. nature of supply. speed. both speed and number of poles. number of poles. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A series RLC circuit is connected across a 240V, 50 Hz supply. When the voltage across capacitor is 250V, a maximum current of 0.5A flows in the circuit. Find the inductance. 1.58 µF. 6.37 µF. 0.47 µF. 2.25 µF. 1.58 µF. 6.37 µF. 0.47 µF. 2.25 µF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following are the passive elements? Bulb Resistor None of these. Both Bulb Resistor None of these. Both 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. VL and Z. Z and I. VL and VR. VL and I. VL and Z. Z and I. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A voltage source having an open circuit voltage of 100 V and internal resistance of 50 Ω is equivalent to a current source 0.5 A in parallel with 50 Ω. 2 A with 50 Ω in series. 2 A with 50 Ω in parallel. none of these. 0.5 A in parallel with 50 Ω. 2 A with 50 Ω in series. 2 A with 50 Ω in parallel. none 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 + 8 %. + 7 %. + 5 %. + 6 %. + 8 %. + 7 %. + 5 %. + 6 %. ANSWER DOWNLOAD EXAMIANS APP