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 zero. 50 A. 8.85 A. 5 A. zero. 50 A. 8.85 A. 5 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The instantaneous values of line current into a delta connected load in any two lines are + 2.5 amps and - 1.25 amps the current in the third line at the instant is ___________ A. 2.5 10 1 - 1.25 2.5 10 1 - 1.25 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The absolute charge of an electron is 1.6 × 10-19 C. none of above. + 1.6 × 10-19 C. - 1.6 × 10-19 C. 1.6 × 10-19 C. none of above. + 1.6 × 10-19 C. - 1.6 × 10-19 C. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Four bulbs of 40 W each are connected in series with a battery across them, which of the following statement is true? The current through each bulb is same. None of these The voltage across each bulb is not same. The power dissipation in each bulb is not same. The current through each bulb is same. None of these The voltage across each bulb is not same. The power dissipation in each bulb is not same. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Dependent source of current and voltage are those which have independent of any other network variable. unidirectional characteristic. output dependent on input. All of these independent of any other network variable. unidirectional characteristic. output dependent on input. All of these ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Instantaneous power in inductor is proportional to the temperature of the inductor. square of the rate of change of current. square of instantaneous current. product of the instantaneous current and rate of change of current. temperature of the inductor. square of the rate of change of current. square of instantaneous current. product of the instantaneous current and rate of change of current. ANSWER DOWNLOAD EXAMIANS APP