Electric Circuits The inductive reactance of an electric circuit is 200 Ohms. The frequency of supply becomes doubled. What is the new capacitive reactance? 100 Ohms. 400 Ohms. 200 Ohms. 50 Ohms. 100 Ohms. 400 Ohms. 200 Ohms. 50 Ohms. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor of 50 microfarad is connected in series with a resistance of 120 Ω. If above circuit is connected across 240 V, 50 Hz 1 - φ supply. Find the capacitive reactance? 63.7 Ω. 0.015 Ω. 1.765 Ω. 135.86 Ω. 63.7 Ω. 0.015 Ω. 1.765 Ω. 135.86 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In steady state condition capacitor acts as a open circuit current source voltage source short circuit open circuit current source voltage source short circuit ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Two resistances R1 and R2 give combined resistances 4.5 Ω and 1 Ω when they are connected in series and parallel respectively. What would be the values of these resistances? 3 Ω and 6 Ω. 1.5 Ω and 3 Ω. 3 Ω and 9 Ω. 6 Ω and 9 Ω. 3 Ω and 6 Ω. 1.5 Ω and 3 Ω. 3 Ω and 9 Ω. 6 Ω and 9 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits From the given figure find the R3 25 mili ohm 25 mega ohm 25 kilo ohm 25 ohm 25 mili ohm 25 mega ohm 25 kilo ohm 25 ohm ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits For closer tolerance which of the following capacitors is usually preferred? Mica capacitor. None of them. Ceramic disc capacitor. Paper capacitor. Mica capacitor. None of them. Ceramic disc capacitor. Paper capacitor. ANSWER DOWNLOAD EXAMIANS APP