AC Fundamentals, Circuit and Circuit Theory The frequency of domestic power supply in India is 50 Hz 150 Hz 250 Hz 200 Hz 50 Hz 150 Hz 250 Hz 200 Hz ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Skin effect occurs when a conductor carries current at _________ frequencies. Medium Very low High Low Medium Very low High Low ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Which of the following statements pertains to resistors only? Can dissipate considerable amount of power Oppose sudden changes in voltage Can act as energy storage devices Connecting them in parallel increases the total value Can dissipate considerable amount of power Oppose sudden changes in voltage Can act as energy storage devices Connecting them in parallel increases the total value ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The inductance of a coil can be increased by Choosing core material having high relative permeability Increasing core length Decreasing the diameter of the former Decreasing the number of turns Choosing core material having high relative permeability Increasing core length Decreasing the diameter of the former Decreasing the number of turns ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a pure capacitive circuit if the supply frequency is reduced to 1/2, the current will Be reduced by half Be reduced to one fourth Be doubled Be four times at high Be reduced by half Be reduced to one fourth Be doubled Be four times at high ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a pure inductive circuit The current leads the voltage by 90° The current is in phase with the voltage The current can lead or lag by 90° The current lags behind the voltage by 90° The current leads the voltage by 90° The current is in phase with the voltage The current can lead or lag by 90° The current lags behind the voltage by 90° ANSWER DOWNLOAD EXAMIANS APP
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