AC Fundamentals, Circuit and Circuit Theory The form factor is the ratio of r.m.s. value to average value Peak value to r.m.s. value Average value to r.m.s. value None of these r.m.s. value to average value Peak value to r.m.s. value Average value to r.m.s. value None of these ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a pure capacitive circuit if the supply frequency is reduced to 1/2, the current will Be four times at high Be doubled Be reduced by half Be reduced to one fourth Be four times at high Be doubled Be reduced by half Be reduced to one fourth ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Form Factor is the ratio of Average value/peak value Average value/r.m.s. value r.m.s. value/peak value r.m.s. value/average value Average value/peak value Average value/r.m.s. value r.m.s. value/peak value r.m.s. value/average value ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Skin effect occurs when a conductor carries current at _________ frequencies. Low Medium Very low High Low Medium Very low High ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory An A.C. voltage is impressed across a pure resistance of 3.5 ohms in parallel with a pure inductance of impedance of 3.5 ohms, None of the listed here The current through the resistance is more Both resistance and inductance carry equal currents The current through the resistance is less None of the listed here The current through the resistance is more Both resistance and inductance carry equal currents The current through the resistance is less 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