AC Fundamentals, Circuit and Circuit Theory For a sine wave with peak value Emax ___________ the average value is 0.707 Emax 0.434 Emax 0.636 Emax None of the listed here 0.707 Emax 0.434 Emax 0.636 Emax None of the listed here ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The time constant of the capacitance circuit is defined as the time during which voltage Rises to 63.2% of its final steady value None of these Falls to 36.8% of its final steady value Rises to 38.6% of its final steady value Rises to 63.2% of its final steady value None of these Falls to 36.8% of its final steady value Rises to 38.6% of its final steady value ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In an AC. circuit, a low value of kVAR compared with kW indicates Maximum load current High power factor Low efficiency Unity power factor Maximum load current High power factor Low efficiency Unity power factor ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The power factor of a D.C. circuit is always Less than unity Unity Greater than unity Zero Less than unity Unity Greater than unity Zero 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? VC and VL VL and VR VC and VR None of the listed here VC and VL VL and VR VC and VR None of the listed here 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 A sinusoid of half the original frequency None of the listed here A sinusoid of double the frequency A sinusoid of the same frequency A sinusoid of half the original frequency None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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