AC Fundamentals, Circuit and Circuit Theory The phosphors for which of the following pair are 180° out of phase for VL, VC and VR? VC and VL None of these VC and VR VL and VR VC and VL None of these VC and VR VL and VR ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory If two sinusoids of the same frequency but of different amplitudes and phase angles are subtracted, the resultant is A sinusoid of half the original frequency A sinusoid of double the frequency A sinusoid of the same frequency None of the listed here A sinusoid of half the original frequency A sinusoid of double the frequency A sinusoid of the same frequency None of the listed here 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 doubled Be four times at high Be reduced to one fourth Be reduced by half Be doubled Be four times at high Be reduced to one fourth Be reduced by half 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 current flowing in capacitor The statement is incorrect The size of the capacitor being quite big The capacitive reactance in ohms The current flowing in capacitor The statement is incorrect The size of the capacitor being quite big The capacitive reactance in ohms ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Form factor for a sine wave is 0.707 1.11 0.637 1.414 0.707 1.11 0.637 1.414 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 2.5 15 5 10 2.5 15 5 ANSWER DOWNLOAD EXAMIANS APP
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