Electric Circuits The rms value of the resultant current in a wire which carries a DC current of 10A and a sinusoidal current of peak value 20A is 30A. 14.14A. 22.4A. 17.3A . 30A. 14.14A. 22.4A. 17.3A . ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 35 V source is connected to a series circuit of 600 Ω and R as shown. If a voltmeter of internal resistance 1.2 kΩ is connected across 600 Ω resistor, it reads 5 V. The value of R is 3.6 k Ω. 7.2 k Ω. 1.2 k Ω. 2.4 k Ω. 3.6 k Ω. 7.2 k Ω. 1.2 k Ω. 2.4 k Ω. 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? 1.765 Ω. 63.7 Ω. 135.86 Ω. 0.015 Ω. 1.765 Ω. 63.7 Ω. 135.86 Ω. 0.015 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The rms value of the voltage U(t)= 3 + 4cos(3t) 5 V. 7 V. {3 + 2(1.141)} V. 4.123 V. 5 V. 7 V. {3 + 2(1.141)} V. 4.123 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the dielectric material used in precision small value capacitor and capacitor used in radio frequency circuits? Oil impregnated paper. Vacuum, air. Titanium oxide. Glass. Oil impregnated paper. Vacuum, air. Titanium oxide. Glass. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Flux in a magnetic circuit can be compared in an electric circuit to current. inductance. resistance. voltage. current. inductance. resistance. voltage. ANSWER DOWNLOAD EXAMIANS APP
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