AC Fundamentals, Circuit and Circuit Theory Form factor for a sine wave is 0.637 1.414 1.11 0.707 0.637 1.414 1.11 0.707 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 is equal to average value r.m.s. value of current is greater than average value r.m.s. value of current is less than average value None of these r.m.s. value is equal to average value r.m.s. value of current is greater than average value r.m.s. value of current is less than average value None of these ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The time constant of a series R-C circuit is given by R/C RC R2C RC2 R/C RC R2C RC2 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 Unsymmetrical part of the wave form The quarter cycle The half cycle The whole cycle Unsymmetrical part of the wave form The quarter cycle The half cycle ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The series and parallel resonance on L-C circuit' differs in that Parallel resonance needs a low-resistance source for a sharp rise in line current Parallel resonance needs a low-resistance source for a sharp increase in impedance Series resistance needs a low-resistance source for sharp rise in current Series resonance needs a high-resistance source for sharp increase in current Parallel resonance needs a low-resistance source for a sharp rise in line current Parallel resonance needs a low-resistance source for a sharp increase in impedance Series resistance needs a low-resistance source for sharp rise in current Series resonance needs a high-resistance source for sharp increase in current ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Inductance of coil Decreases with the increase in supply frequency Is unaffected by the supply frequency Becomes zero with the increase in supply frequency Increases with the increase in supply frequency Decreases with the increase in supply frequency Is unaffected by the supply frequency Becomes zero with the increase in supply frequency Increases with the increase in supply frequency ANSWER DOWNLOAD EXAMIANS APP
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