AC Fundamentals, Circuit and Circuit Theory Capacitors for power factor correction are rated in kW kVA kVAR kV kW kVA kVAR kV ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Which of the following circuit component opposes the change in the circuit voltage ? Inductance Capacitance Resistance Conductance Inductance Capacitance Resistance Conductance ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Pure inductive circuit takes power from the A.C. line when Applied voltage decreases but current increases Applied voltage increases but current decreases Both applied voltage and current decrease Both applied voltage and current increase Applied voltage decreases but current increases Applied voltage increases but current decreases Both applied voltage and current decrease Both applied voltage and current increase ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The phase difference between voltage and current wave through a circuit element is given as 30°. The essential condition is that Both waves must have identical peak values Both waves must have zero value at the same time Both waves must have same frequency None of the listed here Both waves must have identical peak values Both waves must have zero value at the same time Both waves must have same frequency None of the listed here ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Which of the following waves has the highest value of peak factor ? Half wave rectified sine wave Sine wave Square wave Triangular wave Half wave rectified sine wave Sine wave Square wave Triangular wave ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The r.m.s. value of pure cosine function is Zero 0.707 of peak value 0.5 of peak value Same as peak value Zero 0.707 of peak value 0.5 of peak value Same as peak value ANSWER DOWNLOAD EXAMIANS APP