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 Both waves must have identical peak values None of these Both waves must have zero value at the same time Both waves must have same frequency Both waves must have identical peak values None of these 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 Non-oscillating Square wave Oscillating Sinusoidal Non-oscillating Square wave Oscillating ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In the case of an unsymmetrical alternating current the average value must always be taken over The whole cycle The half cycle Unsymmetrical part of the wave form The quarter cycle The whole cycle The half cycle Unsymmetrical part of the wave form The quarter cycle ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a pure inductive circuit if the supply frequency is reduced to 1/2, the current will Be reduced by half Be four times as high Be doubled Be reduced to one fourth Be reduced by half Be four times as high Be doubled Be reduced to one fourth ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The voltage of domestic supply is 220 V. This figure represents Mean value Average value R.m.s. value Peak value Mean value Average value R.m.s. value Peak value ANSWER DOWNLOAD EXAMIANS APP
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 of current is greater than average value None of these r.m.s. value is equal to average value r.m.s. value of current is less than average value r.m.s. value of current is greater than average value None of these r.m.s. value is equal to average value r.m.s. value of current is less than average value ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS