AC Fundamentals, Circuit and Circuit Theory The square waveform of current has following relation between r.m.s. value and average value. r.m.s. value is equal to average value None of these r.m.s. value of current is greater than average value r.m.s. value of current is less than average value r.m.s. value is equal to average value None of these r.m.s. value of current is greater than average value r.m.s. value of current is less than average value ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The phase difference between voltage and current wave through a circuit element is given as 30°. The essential condition is that Both waves must have same frequency None of the listed here Both waves must have identical peak values Both waves must have zero value at the same time Both waves must have same frequency None of the listed here Both waves must have identical peak values Both waves must have zero value at the same time ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a loss-free R-L-C circuit the transient current is Sinusoidal Square wave Oscillating Non-oscillating Sinusoidal Square wave Oscillating Non-oscillating 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 C only L or C L only R only C only L or C L only ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Poor power factor All of the listed here Reduces load handling capability of electrical system Overloads alternators, transformers and distribution lines Results in more power losses in the electrical system All of the listed here Reduces load handling capability of electrical system Overloads alternators, transformers and distribution lines Results in more power losses in the electrical system ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a R-L-C circuit Power is consumed in resistance and is equal to IR Exchange of power takes place between inductor and supply line All of the listed here Exchange of power takes place between capacitor and supply line Power is consumed in resistance and is equal to IR Exchange of power takes place between inductor and supply line All of the listed here Exchange of power takes place between capacitor and supply line ANSWER DOWNLOAD EXAMIANS APP