Electric Circuits Aluminium is produced from bauxite by oxidation. froth flotation. rotating. electrolytic process. oxidation. froth flotation. rotating. electrolytic process. ANSWER DOWNLOAD EXAMIANS APP
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? 10.54 µF. 8.51 µF. 1.8 µF. 4.78 µF. 10.54 µF. 8.51 µF. 1.8 µF. 4.78 µF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following has positive temperature coefficient ? Germanium. Rubber. Gold. Paper. Germanium. Rubber. Gold. Paper. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Instantaneous power in inductor is proportional to the product of the instantaneous current and rate of change of current. temperature of the inductor. square of instantaneous current. square of the rate of change of current. product of the instantaneous current and rate of change of current. temperature of the inductor. square of instantaneous current. square of the rate of change of current. ANSWER DOWNLOAD EXAMIANS APP
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 40 Ω. 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. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An equipotential surface is one which has all points at _____________ potential. same. zero. different. none of them. same. zero. different. none of them. ANSWER DOWNLOAD EXAMIANS APP
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