AC Fundamentals, Circuit and Circuit Theory In a sine wave the slope is constant No where Between 180° and 270° Between 90° and 180° Between 0° and 90° No where Between 180° and 270° Between 90° and 180° Between 0° and 90° ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The frequency of an alternating current is The number of waves passing through a point in one second The number of cycles generated in one minute The speed with which the alternator runs The number of electrons passing through a point in one second The number of waves passing through a point in one second The number of cycles generated in one minute The speed with which the alternator runs The number of electrons passing through a point in one second ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The voltage of domestic supply is 220 V. This figure represents Mean value R.m.s. value Average value Peak value Mean value R.m.s. value Average value Peak value ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The product of apparent power and cosine of the phase angle between circuit voltage and current is Instantaneous power True power Reactive power Volt-amperes Instantaneous power True power Reactive power Volt-amperes ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The inductance of a coil can be increased by Increasing core length Decreasing the diameter of the former Choosing core material having high relative permeability Decreasing the number of turns Increasing core length Decreasing the diameter of the former Choosing core material having high relative permeability Decreasing the number of turns ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The time constant of a series R-C circuit is given by R/C R2C RC2 RC R/C R2C RC2 RC ANSWER DOWNLOAD EXAMIANS APP
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