Electric Circuits What is apparent power in AC operation? Product of rms voltage and rms current. Product of voltage and current. Product of voltage and current at full load. Product of voltage and current at no load. Product of rms voltage and rms current. Product of voltage and current. Product of voltage and current at full load. Product of voltage and current at no load. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor passes a current of 12.6 mA when supplied with 20 V ac with a frequency of 1000 Hz. The capacitance will be 0.01 μF. 1 μF. 0.1 μF. 0.001 μF. 0.01 μF. 1 μF. 0.1 μF. 0.001 μF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which variety of copper has the best mechanical strength ? Soft copper. Cast copper. Annealed copper. Hard drawn copper. Soft copper. Cast copper. Annealed copper. Hard drawn copper. 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 / R1 - R)}(1- e - (R1 - R) t / L) None of these i = {E / R}[1-(R1 / R) *e - {(R - R1 )*t/L} i = {E / (R - R1)}[1-(R1 / R) *e- {(R - R1 )t/L} i = {E / R1 - R)}(1- e - (R1 - R) t / L) None of these i = {E / R}[1-(R1 / R) *e - {(R - R1 )*t/L} i = {E / (R - R1)}[1-(R1 / R) *e- {(R - R1 )t/L} ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The common voltage across parallel branches with different voltage sources can be determined by the relation V = (V1 / R1 + V2 / R2 + V3 / R3) / (1 / R1 + 1 / R2 +1 / R3 .....) The statement is associated with which theorem? Norton’s theorem. Millman’s theorem. Thevenin’s theorem. Superposition theorem. Norton’s theorem. Millman’s theorem. Thevenin’s theorem. Superposition theorem. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If the peak value of a sine wave is 100 V, then its RMS value will be 63.6 V. 70.7 V. 100 V. 88 V. 63.6 V. 70.7 V. 100 V. 88 V. ANSWER DOWNLOAD EXAMIANS APP