AC Fundamentals, Circuit and Circuit Theory The power consumed in a circuit element will be least when the phase difference between the current and voltage is 180° 60° 90° 30° 180° 60° 90° 30° ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory A pure capacitor connected across an A.C. voltage consumed 50 W. This is due to The capacitive reactance in ohms The current flowing in capacitor The size of the capacitor being quite big The statement is incorrect The capacitive reactance in ohms The current flowing in capacitor The size of the capacitor being quite big The statement is incorrect 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 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 Be four times at high ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory For the same peak value which of the following wave will 'have the highest r.m.s. value? Half wave rectified sine wave Sine wave Triangular wave Square wave Half wave rectified sine wave Sine wave Triangular wave Square wave ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In R-L-C series resonant circuit magnitude of resonance frequency can be changed by changing the value of R only C only L only L or C R only C only L only L or C 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 large resistance A coil with low distributed capacitance A coil with low resistance A coil with large distributed capacitance A coil with large resistance A coil with low distributed capacitance A coil with low resistance ANSWER DOWNLOAD EXAMIANS APP
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