AC Fundamentals, Circuit and Circuit Theory Power factor of an electrical circuit is equal to Ratio of useful current to total current Iw/I Cosine of phase angle difference between current and voltage all of these R/Z Ratio of useful current to total current Iw/I Cosine of phase angle difference between current and voltage all of these R/Z ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In AC. circuits, laminated iron is invariably used in order to Reduce circuit permeability Reduce eddy current loss Make assembly cheap and easier Increase heat radiation Reduce circuit permeability Reduce eddy current loss Make assembly cheap and easier Increase heat radiation ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In R-L-C series resonant circuit magnitude of resonance frequency can be changed by changing the value of R only L or C L only C only R only L or C L only C only ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The peak value of a sine wave is 200 V. Its average value is 127.4 V 200 V 282.8 V 141.4 V 127.4 V 200 V 282.8 V 141.4 V ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The main cause of silting up a channel, Non-regime section Defective head regulator All of these Inadequate slope Non-regime section Defective head regulator All of these Inadequate slope ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The r.m.s. value and mean value is the same in the case of Square wave Triangular wave Sine wave Half wave rectified sine wave Square wave Triangular wave Sine wave Half wave rectified sine wave ANSWER DOWNLOAD EXAMIANS APP