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 None of the listed here The current through the resistance is less Both resistance and inductance carry equal currents The current through the resistance is more None of the listed here The current through the resistance is less Both resistance and inductance carry equal currents ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Inductance of coil Decreases with the increase in supply frequency Is unaffected by the supply frequency Becomes zero with the increase in supply frequency Increases with the increase in supply frequency Decreases with the increase in supply frequency Is unaffected by the 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 In an AC. circuit, a low value of kVAR compared with kW indicates Unity power factor Low efficiency High power factor Maximum load current Unity power factor Low efficiency High power factor Maximum load current ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Inductance affects the direct current flow Only at the time of turning off At the time of turning on and off At all the time of operation Only at the time of turning on Only at the time of turning off At the time of turning on and off At all the time of operation Only at the time of turning on ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The r.m.s. value of pure cosine function is Same as peak value 0.5 of peak value 0.707 of peak value Zero Same as peak value 0.5 of peak value 0.707 of peak value Zero ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory A heater is rated as 230 V, 10 kW, A.C. The value 230 V refers to Average voltage None of the listed here Peak voltage R.m.s. voltage Average voltage None of the listed here Peak voltage R.m.s. voltage ANSWER DOWNLOAD EXAMIANS APP
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