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. 8.85 A. 50 A. 5 A. zero. 8.85 A. 50 A. 5 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The maximum value of a current wave is 2A. If the form factor of a current wave is 1.5 and the peak factor is 2.7, find the rms value in Amperes. 1.414 A. 0.494 A. 0.741 A. 1.57 A. 1.414 A. 0.494 A. 0.741 A. 1.57 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A star connected load has three equal impedance each of (40 + j30) Ω If the line current is 5 A then value of line voltage is 250 / √3 V. 200 V. 250 √3 V. 250 V. 250 / √3 V. 200 V. 250 √3 V. 250 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If the practical units of voltage and current wave each made 20 times as large as they are at present, what would be the consequent alternation in the size of the unit of capacitance? Nil. 60 times. 20 times. 200 times. Nil. 60 times. 20 times. 200 times. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In series RLC circuit to get Q>1, which of the following is required? XL < R XL > R XL = R All of these XL < R XL > R XL = R All of these ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A particular current is made up of two component : a 10 A and a sine wave of peak value 14.14 A. The average value of current is 14.14 A. 10 A. zero. 24.14 A. 14.14 A. 10 A. zero. 24.14 A. ANSWER DOWNLOAD EXAMIANS APP