AC Fundamentals, Circuit and Circuit Theory If a sinusoidal wave has frequency of 50 Hz with 30 A r.m.s. current which of the following equation represents this wave? 84.84 sin 25 t 60 sin 25 t 30 sin 50 t 42.42 sin 314 t 84.84 sin 25 t 60 sin 25 t 30 sin 50 t 42.42 sin 314 t ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory When an alternating current passes through an ohmic resistance the electrical power converted into heat is Reactive power Active power None of the listed here Apparent power Reactive power Active power None of the listed here Apparent power ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a loss-free R-L-C circuit the transient current is Square wave Sinusoidal Non-oscillating Oscillating Square wave Sinusoidal Non-oscillating Oscillating 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 doubled Be reduced by half Be four times at high Be reduced to one fourth Be doubled Be reduced by half Be four times at high Be reduced to one fourth 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 None of the listed here A sinusoid of double the frequency A sinusoid of half the original frequency A sinusoid of the same frequency None of the listed here A sinusoid of double the frequency A sinusoid of half the original frequency A sinusoid of the same frequency ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The double energy transient occur in the R-C circuit Purely inductive circuit R-L circuit R-L-C circuit R-C circuit Purely inductive circuit R-L circuit R-L-C circuit ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS