AC Fundamentals, Circuit and Circuit Theory Power factor of an electrical circuit is equal to Cosine of phase angle difference between current and voltage R/Z Ratio of useful current to total current Iw/I all of these Cosine of phase angle difference between current and voltage R/Z Ratio of useful current to total current Iw/I all of these ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The square waveform of current has following relation between r.m.s. value and average value. r.m.s. value is equal to average value None of these r.m.s. value of current is less than average value r.m.s. value of current is greater than average value r.m.s. value is equal to average value None of these r.m.s. value of current is less than average value r.m.s. value of current is greater than average value ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory A parallel AC. circuit in resonance will Have a high impedance Have current in each section equal to the line current Have a high voltage developed across each inductive and capacitive section Act like a resistor of low value Have a high impedance Have current in each section equal to the line current Have a high voltage developed across each inductive and capacitive section Act like a resistor of low value ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory An A.C. voltage is impressed across a pure resistance of 3.5 ohms in parallel with a pure inductance of impedance of 3.5 ohms, The current through the resistance is more Both resistance and inductance carry equal currents None of the listed here The current through the resistance is less The current through the resistance is more Both resistance and inductance carry equal currents None of the listed here The current through the resistance is less ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a highly capacitive circuit the Reactive power is more than the actual power Apparent power is equal to the actual power Actual power is more than its reactive power Reactive power is more than the apparent power Reactive power is more than the actual power Apparent power is equal to the actual power Actual power is more than its reactive power Reactive power is more than the apparent power ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory For a sine wave with peak value Imax the r.m.s. value is 0.9 0.707 0.5 Imax 1.414 Imax 0.9 0.707 0.5 Imax 1.414 Imax ANSWER DOWNLOAD EXAMIANS APP
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