AC Fundamentals, Circuit and Circuit Theory Which of the following refers to a parallel circuit? The current through each element is same The voltage across element is in proportion to it's resistance value The current through any one element is less than the source current The equivalent resistance is greater than any one of the resistors The current through each element is same The voltage across element is in proportion to it's resistance value The current through any one element is less than the source current The equivalent resistance is greater than any one of the resistors ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Two waves of the same frequency have opposite phase when the phase angle between them is 90° 360° 0° 180° 90° 360° 0° 180° ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory For a sine wave with peak value Imax the r.m.s. value is 0.707 0.5 Imax 0.9 1.414 Imax 0.707 0.5 Imax 0.9 1.414 Imax ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a pure inductive circuit The current can lead or lag by 90° The current leads the voltage by 90° The current lags behind the voltage by 90° The current is in phase with the voltage The current can lead or lag by 90° The current leads the voltage by 90° The current lags behind the voltage by 90° The current is in phase with the voltage 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 Consume more power Are likely to melt under excessive eddy current heat Create more electrical noise Exhibit unwanted inductive and capacitive effects Consume more power Are likely to melt under excessive eddy current heat Create more electrical noise ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In the case of an unsymmetrical alternating current the average value must always be taken over The quarter cycle The half cycle The whole cycle Unsymmetrical part of the wave form The quarter cycle The half cycle The whole cycle Unsymmetrical part of the wave form ANSWER DOWNLOAD EXAMIANS APP
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