AC Fundamentals, Circuit and Circuit Theory Which of the following statements pertains to resistors only? Connecting them in parallel increases the total value Oppose sudden changes in voltage Can act as energy storage devices Can dissipate considerable amount of power Connecting them in parallel increases the total value Oppose sudden changes in voltage Can act as energy storage devices Can dissipate considerable amount of power 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, None of the listed here The current through the resistance is less The current through the resistance is more Both resistance and inductance carry equal currents None of the listed here The current through the resistance is less The current through the resistance is more Both resistance and inductance carry equal currents ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Which of the following waves has the highest value of peak factor ? Sine wave Half wave rectified sine wave Square wave Triangular wave Sine wave Half wave rectified sine wave Square wave Triangular wave 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 ohm. If frequency is increased to 100 Hz, reactance becomes __________ ohms. 25 15 10 5 25 15 10 5 ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a R-L-C circuit Exchange of power takes place between capacitor and supply line Exchange of power takes place between inductor and supply line All of the listed here Power is consumed in resistance and is equal to IR Exchange of power takes place between capacitor and supply line Exchange of power takes place between inductor and supply line All of the listed here Power is consumed in resistance and is equal to IR ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The product of apparent power and cosine of the phase angle between circuit voltage and current is True power Instantaneous power Volt-amperes Reactive power True power Instantaneous power Volt-amperes Reactive power ANSWER DOWNLOAD EXAMIANS APP
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