Electric Circuits A 230V, 50Hz voltage is applied to a coil having L = 5H and R = 2 Ohm in series with capacitance C. When the voltage across the coil is 400V, find the value of C? 4.78 µF. 1.8 µF. 10.54 µF. 8.51 µF. 4.78 µF. 1.8 µF. 10.54 µF. 8.51 µF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The capacitance of a conductor is varying from 2 microfarad to zero in 1 sec linearly if the voltage applied to it is 6 V the energy stored in 0.5 sec in the condenser is 18 µ joules. 20 µ joules. 55.1 µ joules. 10 µ joules. 18 µ joules. 20 µ joules. 55.1 µ joules. 10 µ joules. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If the dielectric of a capacitor is replaced by conducting material the capacitor will get heated up due to eddy currents. the plate will get short circuited. the capacitance value of the plate will decrease. the capacitor can store infinite charge. the capacitor will get heated up due to eddy currents. the plate will get short circuited. the capacitance value of the plate will decrease. the capacitor can store infinite charge. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Advantage of active filter is do not offer gain. easy to tune. both of above. derive high impedance load. do not offer gain. easy to tune. both of above. derive high impedance load. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The resistance of 100 W, 200 V lamp is 800 Ω. 1600 Ω. 200 Ω. 400 Ω. 800 Ω. 1600 Ω. 200 Ω. 400 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. 200 Ohms. 25 Ohms. 100 Ohms. 50 Ohms. 200 Ohms. 25 Ohms. 100 Ohms. ANSWER DOWNLOAD EXAMIANS APP