Electric Circuits A motor having a power factor of 0.8 absorbs in active power of 1200 W the reactive power drawn from the supply is _________ VA. 130 250 900 400 130 250 900 400 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A battery of E Volts is supplying a steady current to a series circuit of total resistance RΩ and inductance L Henry. A part R1 of the total resistance is suddenly short circuited. Find the expression for current flowing through the battery subsequent to the operation. i = {E / R}[1-(R1 / R) *e - {(R - R1 )*t/L} i = {E / (R - R1)}[1-(R1 / R) *e- {(R - R1 )t/L} None of these i = {E / R1 - R)}(1- e - (R1 - R) t / L) i = {E / R}[1-(R1 / R) *e - {(R - R1 )*t/L} i = {E / (R - R1)}[1-(R1 / R) *e- {(R - R1 )t/L} None of these i = {E / R1 - R)}(1- e - (R1 - R) t / L) ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is called the frequency in AC operation? No. of (+) ve quadrature made per second. No. of wave made per second. No. of (-) ve quadrature made per second. No. of cycles made per second. No. of (+) ve quadrature made per second. No. of wave made per second. No. of (-) ve quadrature made per second. No. of cycles made per second. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of following capacitors has relatively shorter shelf life? Paper. Glass. both (B) and (C) above. Electrolytic. Paper. Glass. both (B) and (C) above. Electrolytic. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Three identical inductors are connected in delta with a 220 V, 50 Hz, 3 - φ, supply. If the phase current is 24 A, then what is the value of each of the inductance? 0.029. None of these. 0.049 H. 0.058 H. 0.029. None of these. 0.049 H. 0.058 H. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Poorest conductor of electricity is Silver. Carbon. Steel. Aluminium. Silver. Carbon. Steel. Aluminium. ANSWER DOWNLOAD EXAMIANS APP
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