AC Fundamentals, Circuit and Circuit Theory Inductance of coil Is unaffected by the supply frequency Becomes zero with the increase in supply frequency Decreases with the increase in supply frequency Increases with the increase in supply frequency Is unaffected by the supply frequency Becomes zero with the increase in supply frequency Decreases with the increase in supply frequency Increases with the increase in supply frequency ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The r.m.s. value of a sinusoidal A.C. current is equal to its value at an angle of ________ degrees. 60 45 30 90 60 45 30 90 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 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 A sinusoid of half the original frequency ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Power factor of the following circuit will be zero Resistance Inductance Both of the listed here Capacitance Resistance Inductance Both of the listed here Capacitance ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The phosphors for which of the following pair are 180° out of phase for VL, VC and VR? None of these VC and VL VC and VR VL and VR None of these VC and VL VC and VR VL and VR ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a loss-free R-L-C circuit the transient current is Non-oscillating Oscillating Square wave Sinusoidal Non-oscillating Oscillating Square wave Sinusoidal ANSWER DOWNLOAD EXAMIANS APP
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