Electric Circuits An AC voltage of 200 V at 50 Hz is applied to a coil which draws 5 A and dissipates 1000 W. The resistance and impedance of the coil respectively are 25 Ω and 5 Ω. 40 Ω and 200 Ω. 50 Ω and 200 Ω. 40 Ω and 40 Ω. 25 Ω and 5 Ω. 40 Ω and 200 Ω. 50 Ω and 200 Ω. 40 Ω and 40 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 10 μF capacitor and 100 W, 220 V lamp is connected in series across a 220 V alternating supply. In which frequency of the supply the lamp will glow brightest? 100 Hz. 1000 Hz. 10 Hz. 1 Hz. 100 Hz. 1000 Hz. 10 Hz. 1 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Three identical inductors are connected in delta with a 220 V, 50 Hz, 3 - φ, supply. If the phase current is 24 A, then what is the value of each of the inductance? 0.058 H. 0.049 H. 0.029. None of these. 0.058 H. 0.049 H. 0.029. None of these. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor passes a current of 12.6 mA when supplied with 20 V ac with a frequency of 1000 Hz. The capacitance will be 1 μF. 0.1 μF. 0.01 μF. 0.001 μF. 1 μF. 0.1 μF. 0.01 μF. 0.001 μF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Kirchhoff’s voltage law is used for representing a current source. finding equivalent resistance. nodal analysis. loop analysis. representing a current source. finding equivalent resistance. nodal analysis. loop analysis. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An equipotential surface is one which has all points at _____________ potential. none of them. different. same. zero. none of them. different. same. zero. ANSWER DOWNLOAD EXAMIANS APP
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