Electric Circuits Instantaneous power in inductor is proportional to the temperature of the inductor. square of the rate of change of current. product of the instantaneous current and rate of change of current. square of instantaneous current. temperature of the inductor. square of the rate of change of current. product of the instantaneous current and rate of change of current. square of instantaneous 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 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. 25 Ω and 5 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A series circuit consists of R = 20 Ω, L = 20 mH, and AC supply 60 V with f = 100 Hz. The voltage drop across R is 40.8 V. 30.6 V. 50.8 V. 24.4 V . 40.8 V. 30.6 V. 50.8 V. 24.4 V . 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 10 mH. 5 mH. 20 mH. 0 mH. 10 mH. 5 mH. 20 mH. 0 mH. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An ideal constant voltage source has _______________ internal impedance whereas a constant current source has ____________ internal impedance. zero, zero zero, infinite infinite, zero infinite, infinite zero, zero zero, infinite infinite, zero infinite, infinite ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a series resonant circuit impedance is zero. maximum. minimum. none of these. zero. maximum. minimum. none of these. ANSWER DOWNLOAD EXAMIANS APP