Electric Circuits If two point charges are denoted by + Q and - Q and distance between this charges is d, then the dipole moment P equal to Q / d2. Q × d. Q2 × d. Q2 / d. Q / d2. Q × d. Q2 × d. Q2 / d. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The maximum power that can be transferred to the load resistor R from the voltage source in the figure is 7.5 W. 6/8W. 1 W. 9/8 W. 7.5 W. 6/8W. 1 W. 9/8 W. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A balanced star connected load with impedance of 30j - 300 Ω is supplied from a 3 - phase, 4-wire, 173 V system, the voltages to neutral being 100j -900, 100j - 300 and 100j -1500 V. The current in neutral wire is 5 A. 50 A. zero. 8.85 A. 5 A. 50 A. zero. 8.85 A. 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. 20 mH. 10 mH. 5 mH. 0 mH. 20 mH. 10 mH. 5 mH. 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. 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. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The rms value of sinusoidal voltage wave V = 200sinω0t 200√2 V. 100√2 V. 200 V. 100 V. 200√2 V. 100√2 V. 200 V. 100 V. ANSWER DOWNLOAD EXAMIANS APP
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