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 40 Ω and 200 Ω. 25 Ω and 5 Ω. 50 Ω and 200 Ω. 40 Ω and 40 Ω. 40 Ω and 200 Ω. 25 Ω and 5 Ω. 50 Ω and 200 Ω. 40 Ω and 40 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Instantaneous power in inductor is proportional to the square of instantaneous current. square of the rate of change of current. temperature of the inductor. product of the instantaneous current and rate of change of current. square of instantaneous current. square of the rate of change of current. temperature of the inductor. product of the instantaneous current and rate of change of current. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Among the options which metal has the highest electrical conductivity? Stranded aluminium. Copper. Steel. Aluminium. Stranded aluminium. Copper. Steel. Aluminium. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What will be the resistance if 10 resistors of 10 ohm each are connected in series? 0.1 Ω. 1 Ω. 100 Ω. 10 Ω. 0.1 Ω. 1 Ω. 100 Ω. 10 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Aluminium is produced from bauxite by rotating. oxidation. froth flotation. electrolytic process. rotating. oxidation. froth flotation. electrolytic process. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of following capacitors has relatively shorter shelf life? Glass. Electrolytic. both (B) and (C) above. Paper. Glass. Electrolytic. both (B) and (C) above. Paper. ANSWER DOWNLOAD EXAMIANS APP