AC Fundamentals, Circuit and Circuit Theory In a pure resistive circuit Current lags behind the voltage by 90° Current can lead or lag the voltage by 90° None of the listed here Current is in phase with the voltage Current lags behind the voltage by 90° Current can lead or lag the voltage by 90° None of the listed here Current is in phase with the voltage ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The equation of 50 Hz current sine wave having r.m.s. value of 60 A is 42.42 sin 314 t 84.84 sin 3141 60 sin 25 t 60 sin 50 t 42.42 sin 314 t 84.84 sin 3141 60 sin 25 t 60 sin 50 t ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Form factor for a sine wave is 0.637 1.11 1.414 0.707 0.637 1.11 1.414 0.707 ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The frequency of domestic power supply in India is 200 Hz 150 Hz 50 Hz 250 Hz 200 Hz 150 Hz 50 Hz 250 Hz ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Which of the following statements pertains to resistors only? Oppose sudden changes in voltage Connecting them in parallel increases the total value Can act as energy storage devices Can dissipate considerable amount of power Oppose sudden changes in voltage Connecting them in parallel increases the total value Can act as energy storage devices Can dissipate considerable amount of power ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The inductance of a coil can be increased by Decreasing the number of turns Choosing core material having high relative permeability Decreasing the diameter of the former Increasing core length Decreasing the number of turns Choosing core material having high relative permeability Decreasing the diameter of the former Increasing core length ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS