AC Fundamentals, Circuit and Circuit Theory The time constant of the capacitance circuit is defined as the time during which voltage Rises to 38.6% of its final steady value Falls to 36.8% of its final steady value None of these Rises to 63.2% of its final steady value Rises to 38.6% of its final steady value Falls to 36.8% of its final steady value None of these Rises to 63.2% of its final steady value ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Poor power factor Reduces load handling capability of electrical system Results in more power losses in the electrical system Overloads alternators, transformers and distribution lines All of the listed here Reduces load handling capability of electrical system Results in more power losses in the electrical system Overloads alternators, transformers and distribution lines All of the listed here ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The r.m.s. value of pure cosine function is Zero 0.707 of peak value Same as peak value 0.5 of peak value Zero 0.707 of peak value Same as peak value 0.5 of peak value ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The power factor of a D.C. circuit is always Greater than unity Zero Less than unity Unity Greater than unity Zero Less than unity Unity ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The double energy transient occur in the Purely inductive circuit R-C circuit R-L-C circuit R-L circuit Purely inductive circuit R-C circuit R-L-C circuit R-L circuit ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a pure capacitive circuit if the supply frequency is reduced to 1/2, the current will Be four times at high Be doubled Be reduced by half Be reduced to one fourth Be four times at high Be doubled Be reduced by half Be reduced to one fourth ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS