AC Fundamentals, Circuit and Circuit Theory Inductance of coil Is unaffected by the supply frequency Decreases with the increase in supply frequency Becomes zero with the increase in supply frequency Increases with the increase in supply frequency Is unaffected by the supply frequency Decreases with the increase in supply frequency Becomes zero with the increase in supply frequency Increases with the increase in supply frequency 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 number of turns Decreasing the diameter of the former Choosing core material having high relative permeability Increasing core length Decreasing the number of turns Decreasing the diameter of the former ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a highly capacitive circuit the Reactive power is more than the actual power Reactive power is more than the apparent power Apparent power is equal to the actual power Actual power is more than its reactive power Reactive power is more than the actual power Reactive power is more than the apparent power Apparent power is equal to the actual power Actual power is more than its reactive power 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 four times at high 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 ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The phosphors for which of the following pair are 180° out of phase for VL, VC and VR? None of these VC and VL VL and VR VC and VR None of these VC and VL VL and VR VC and VR ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a circuit containing R, L and C, power loss can take place in Resistance only Capacitance only All of the listed here Inductance only Resistance only Capacitance only All of the listed here Inductance only ANSWER DOWNLOAD EXAMIANS APP
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