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. 50 Ω and 200 Ω. 40 Ω and 200 Ω. 40 Ω and 40 Ω. 25 Ω and 5 Ω. 50 Ω and 200 Ω. 40 Ω and 200 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A periodic voltage having the Fourier series V(t)= {1 + 4sinω0t} 24.5 W. 21 W. 1 W. 11 W. 24.5 W. 21 W. 1 W. 11 W. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits 2) Two sinusoidal emfs are given as e1 = Asin(wt+45) and e2 = Bsin(wt-30). The phase difference between the two quantities in degrees is 60. 15. 75. 105. 60. 15. 75. 105. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The power dissipated in a pure capacitor is proportional to the value of capacitance. zero. proportional to applied voltage. both (B) and (C) above. proportional to the value of capacitance. zero. proportional to applied voltage. both (B) and (C) above. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Magnetic flux has the unit of Newton Weber Ampere turn Tesla Newton Weber Ampere turn Tesla ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An ideal constant voltage source has _______________ internal impedance whereas a constant current source has ____________ internal impedance. zero, infinite zero, zero infinite, infinite infinite, zero zero, infinite zero, zero infinite, infinite infinite, zero ANSWER DOWNLOAD EXAMIANS APP
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