AC Fundamentals, Circuit and Circuit Theory The voltage of domestic supply is 220 V. This figure represents R.m.s. value Peak value Average value Mean value R.m.s. value Peak value Average value Mean value ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a sine wave the slope is constant Between 90° and 180° Between 0° and 90° No where Between 180° and 270° Between 90° and 180° Between 0° and 90° No where Between 180° and 270° ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a pure inductive circuit if the supply frequency is reduced to 1/2, the current will Be doubled Be four times as high Be reduced by half Be reduced to one fourth Be doubled Be four times as high Be reduced by half Be reduced to one fourth ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory For the same peak value, which of the following wave has the least mean value? Half wave rectified sine wave Triangular wave Square wave Sine wave Half wave rectified sine wave Triangular wave Square wave Sine wave ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In AC. circuits, laminated iron is invariably used in order to Reduce eddy current loss Make assembly cheap and easier Reduce circuit permeability Increase heat radiation Reduce eddy current loss Make assembly cheap and easier Reduce circuit permeability Increase heat radiation 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. 2.5 10 5 15 2.5 10 5 15 ANSWER DOWNLOAD EXAMIANS APP
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