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 A sinusoid of half the original frequency A sinusoid of double the frequency None of the listed here A sinusoid of the same frequency A sinusoid of half the original frequency A sinusoid of double the frequency None of the listed here A sinusoid of the same frequency ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Power factor of an inductive circuit is usually improved by connecting capacitor to it in Series Both parallel and series None of the listed here Parallel Series Both parallel and series None of the listed here Parallel ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Power factor of the system is kept high To maximize the utilization of the capacities of generators, lines and transformers To reduce voltage regulation of the line All of the listed here To reduce line losses To maximize the utilization of the capacities of generators, lines and transformers To reduce voltage regulation of the line All of the listed here To reduce line losses 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 Active power Apparent power None of the listed here Reactive power Active power Apparent power None of the listed here Reactive power ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory For a sine wave with peak value Imax the r.m.s. value is 0.707 0.5 Imax 1.414 Imax 0.9 0.707 0.5 Imax 1.414 Imax 0.9 ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The double energy transient occur in the R-L-C circuit Purely inductive circuit R-L circuit R-C circuit R-L-C circuit Purely inductive circuit R-L circuit R-C circuit ANSWER DOWNLOAD EXAMIANS APP
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