AC Fundamentals, Circuit and Circuit Theory For a frequency of 200 Hz, the time period will be 0.05 s 0.005 s 0.0005 s 0.5 s 0.05 s 0.005 s 0.0005 s 0.5 s ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Which of the following circuit component opposes the change in the circuit voltage ? Inductance Resistance Capacitance Conductance Inductance Resistance Capacitance Conductance ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Time constant of a capacitive circuit Increases with the decrease of capacitance and decrease of resistance Increase with increase of capacitance and increase of resistance Increases with the decrease of capacitance and increase of resistance Increases with the increase of capacitance and decrease of resistance Increases with the decrease of capacitance and decrease of resistance Increase with increase of capacitance and increase of resistance Increases with the decrease of capacitance and increase of resistance Increases with the increase of capacitance and decrease of resistance ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The effective resistance of an iron-cored choke working on ordinary supply frequency is more than its true resistance because of Iron loss in core Capacitive effect between adjacent coil turns Skin effect Increase in temperature Iron loss in core Capacitive effect between adjacent coil turns Skin effect Increase in temperature ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The reactance offered by a capacitor to alternating current of frequency 50 Hz is 20 Q. If frequency is increased to 100 Hz, reactance becomes __________ ohms. 10 5 2.5 15 10 5 2.5 15 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, Both resistance and inductance carry equal currents The current through the resistance is more The current through the resistance is less None of the listed here Both resistance and inductance carry equal currents The current through the resistance is more The current through the resistance is less None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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