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 identical peak values Both waves must have zero value at the same time None of the listed here Both waves must have same frequency Both waves must have identical peak values Both waves must have zero value at the same time None of the listed here Both waves must have same frequency ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The voltage of domestic supply is 220 V. This figure represents Peak value Mean value Average value R.m.s. value Peak value Mean value Average value R.m.s. value ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory For the same peak value which of the following wave will 'have the highest r.m.s. value? Half wave rectified sine wave Square wave Triangular wave Sine wave Half wave rectified sine wave Square wave Triangular wave Sine wave 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 L or C R only L only C only L or C R only L only C only ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Form factor for a sine wave is 0.637 1.11 0.707 1.414 0.637 1.11 0.707 1.414 ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a pure resistive circuit None of the listed here Current can lead or lag the voltage by 90° Current is in phase with the voltage Current lags behind the voltage by 90° None of the listed here Current can lead or lag the voltage by 90° Current is in phase with the voltage Current lags behind the voltage by 90° ANSWER DOWNLOAD EXAMIANS APP
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