AC Fundamentals, Circuit and Circuit Theory In a sine wave the slope is constant Between 90° and 180° No where Between 180° and 270° Between 0° and 90° Between 90° and 180° No where Between 180° and 270° Between 0° and 90° ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In each of the three coils of a three phase generator, an alternating voltage having an r.m.s. value of 220 V is induced. Which of the following values is indicated by the voltmeters? 220 V 220/v3 V 220 v3 V None of these 220 V 220/v3 V 220 v3 V None of these ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Wire-wound resistors are unsuitable for use at high frequencies because they Exhibit unwanted inductive and capacitive effects Are likely to melt under excessive eddy current heat Consume more power Create more electrical noise Exhibit unwanted inductive and capacitive effects Are likely to melt under excessive eddy current heat Consume more power Create more electrical noise ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The r.m.s. value of pure cosine function is Zero 0.707 of peak value 0.5 of peak value Same as peak value Zero 0.707 of peak value 0.5 of peak value Same as peak value ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The transient currents are associated with the Changes in the stored energy in the inductors and capacitors Resistance of the circuit Impedance of the circuit Applied voltage to the circuit Changes in the stored energy in the inductors and capacitors Resistance of the circuit Impedance of the circuit Applied voltage to the circuit ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The period of a sine wave is ___________ seconds. Its frequency is 40 Hz 50 Hz 30 Hz 20 Hz 40 Hz 50 Hz 30 Hz 20 Hz ANSWER DOWNLOAD EXAMIANS APP
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