AC Fundamentals, Circuit and Circuit Theory Time constant of a circuit is the time in seconds taken after the application of voltage to each 25% of maximum value 50% of maximum value 90% of the maximum value 63% of maximum value 25% of maximum value 50% of maximum value 90% of the maximum value 63% of maximum value ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The power consumed in a circuit element will be least when the phase difference between the current and voltage is 30° 90° 180° 60° 30° 90° 180° 60° ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a sine wave the slope is constant No where Between 180° and 270° Between 0° and 90° Between 90° and 180° No where Between 180° and 270° Between 0° and 90° Between 90° and 180° ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Ohm is unit of all of the following except Capacitance Capacitive reactance Inductive reactance Resistance Capacitance Capacitive reactance Inductive reactance Resistance ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The r.m.s. value and mean value is the same in the case of Triangular wave Half wave rectified sine wave Square wave Sine wave Triangular wave Half wave rectified sine wave Square wave Sine wave ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The safest value of current the human body can carry for more than 3 second is 15 mA 5 mA 9 mA 4 mA 15 mA 5 mA 9 mA 4 mA ANSWER DOWNLOAD EXAMIANS APP