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 90 30 60 45 90 30 ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory A heater is rated as 230 V, 10 kW, A.C. The value 230 V refers to Peak voltage None of the listed here Average voltage R.m.s. voltage Peak voltage None of the listed here Average voltage R.m.s. voltage ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The main cause of silting up a channel, Defective head regulator Inadequate slope All of these Non-regime section Defective head regulator Inadequate slope All of these Non-regime section ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The phase difference between voltage and current wave through a circuit element is given as 30°. The essential condition is that Both waves must have zero value at the same time Both waves must have identical peak values None of these Both waves must have same frequency Both waves must have zero value at the same time Both waves must have identical peak values None of these Both waves must have same frequency ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Power factor of an electrical circuit is equal to Ratio of useful current to total current Iw/I R/Z all of these Cosine of phase angle difference between current and voltage Ratio of useful current to total current Iw/I R/Z all of these Cosine of phase angle difference between current and voltage 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 VR VC and VL VL and VR None of these VC and VR VC and VL VL and VR ANSWER DOWNLOAD EXAMIANS APP
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