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? 135.86 Ω. 63.7 Ω. 1.765 Ω. 0.015 Ω. 135.86 Ω. 63.7 Ω. 1.765 Ω. 0.015 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? 100 Ohms. 50 Ohms. 25 Ohms. 200 Ohms. 100 Ohms. 50 Ohms. 25 Ohms. 200 Ohms. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The ratio of intensity of magnetisation to the magnetising force is known as none of above. flux density. relative permeability. susceptibility. none of above. flux density. relative permeability. susceptibility. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Emf induced in a coil rotating in a uniform magnetic field will be maximum when the rate of change of flux linkage is minimum. flux linking with the coil is maximum. rate of change of flux linkage is maximum. rate of cutting flux by coil sides is minimum. rate of change of flux linkage is minimum. flux linking with the coil is maximum. rate of change of flux linkage is maximum. rate of cutting flux by coil sides is minimum. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The internal resistance of a dry cell is of the order of 1 to 15 Ohm. 0.2 to 0.4 Ohm. 1 to 1.5 Ohm. 2 to 5 Ohm. 1 to 15 Ohm. 0.2 to 0.4 Ohm. 1 to 1.5 Ohm. 2 to 5 Ohm. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Average power taken by the pure capacitor is Any of the above Minimum Zero Maximum Any of the above Minimum Zero Maximum ANSWER DOWNLOAD EXAMIANS APP
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