AC Fundamentals, Circuit and Circuit Theory Wire-wound resistors are unsuitable for use at high frequencies because they Consume more power Create more electrical noise Are likely to melt under excessive eddy current heat Exhibit unwanted inductive and capacitive effects Consume more power Create more electrical noise Are likely to melt under excessive eddy current heat Exhibit unwanted inductive and capacitive effects ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The inductance of a coil can be increased by Decreasing the diameter of the former Decreasing the number of turns Increasing core length Choosing core material having high relative permeability Decreasing the diameter of the former Decreasing the number of turns Increasing core length Choosing core material having high relative permeability ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory A heater is rated as 230 V, 10 kW, A.C. The value 230 V refers to None of the listed here Peak voltage R.m.s. voltage Average voltage None of the listed here Peak voltage R.m.s. voltage Average voltage ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Form factor for a sine wave is 0.637 1.414 0.707 1.11 0.637 1.414 0.707 1.11 ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a highly capacitive circuit the Reactive power is more than the apparent power Apparent power is equal to the actual power Reactive power is more than the actual power Actual power is more than its reactive power Reactive power is more than the apparent power Apparent power is equal to the actual power Reactive power is more than the actual power Actual power is more than its reactive power ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The form factor is the ratio of None of these r.m.s. value to average value Average value to r.m.s. value Peak value to r.m.s. value None of these r.m.s. value to average value Average value to r.m.s. value Peak value to r.m.s. value ANSWER DOWNLOAD EXAMIANS APP