AC Fundamentals, Circuit and Circuit Theory Inductance of a coil Varies Directly as the cross-sectional area of magnetic core None of the listed here Both of the listed here Inversely as the length of the iron path Directly as the cross-sectional area of magnetic core None of the listed here Both of the listed here Inversely as the length of the iron path ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The phase difference between voltage and current wave through a circuit element is given as 30°. The essential condition is that Both waves must have same frequency Both waves must have zero value at the same time None of these Both waves must have identical peak values Both waves must have same frequency Both waves must have zero value at the same time None of these Both waves must have identical peak values ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory A parallel AC. circuit in resonance will Have a high voltage developed across each inductive and capacitive section Have current in each section equal to the line current Act like a resistor of low value Have a high impedance Have a high voltage developed across each inductive and capacitive section Have current in each section equal to the line current Act like a resistor of low value Have a high impedance ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The frequency of an alternating current is The number of electrons passing through a point in one second The number of waves passing through a point in one second The number of cycles generated in one minute The speed with which the alternator runs The number of electrons passing through a point in one second The number of waves passing through a point in one second The number of cycles generated in one minute The speed with which the alternator runs ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Which of the following statements pertains to resistors only? Can act as energy storage devices Oppose sudden changes in voltage Connecting them in parallel increases the total value Can dissipate considerable amount of power Can act as energy storage devices Oppose sudden changes in voltage Connecting them in parallel increases the total value Can dissipate considerable amount of power ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Which of the following coil will have large resonant frequency? A coil with large distributed capacitance A coil with low resistance A coil with large resistance A coil with low distributed capacitance A coil with large distributed capacitance A coil with low resistance A coil with large resistance A coil with low distributed capacitance ANSWER DOWNLOAD EXAMIANS APP
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