Electric Circuits Which of the following may be the value of resistivity of copper at absolute zero in ohm-metre? 6.24. 0.020. 3.12. 1.56. 6.24. 0.020. 3.12. 1.56. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The coils having self inductor of 10 mH and 15 mH have an effective inductor of 40 mH, when connected in series aiding. What will be the equivalent inductor if we connect them in series opposing 0 mH. 5 mH. 10 mH. 20 mH. 0 mH. 5 mH. 10 mH. 20 mH. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An equipotential surface is one which has all points at _____________ potential. zero. different. same. none of them. zero. different. same. none of them. 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 200 Ω. 25 Ω and 5 Ω. 40 Ω and 40 Ω. 50 Ω and 200 Ω. 40 Ω and 200 Ω. 25 Ω and 5 Ω. 40 Ω and 40 Ω. 50 Ω and 200 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The internal resistance of lead acid cell is _______________ that of Edison cell. none of above. less than. more than. equal to. none of above. less than. more than. equal to. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A parallel plate capacitor with air as dielectric, force between plate is F. If capacitor is now immersed water of dielectric εr, force between plate will be – F. εr/F. 0. F εr. F. εr/F. 0. F εr. ANSWER DOWNLOAD EXAMIANS APP