AC Fundamentals, Circuit and Circuit Theory Two waves of the same frequency have opposite phase when the phase angle between them is 0° 90° 180° 360° 0° 90° 180° 360° ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory If two sinusoids of the same frequency but of different amplitudes and phase angles are subtracted, the resultant is A sinusoid of double the frequency A sinusoid of half the original frequency A sinusoid of the same frequency None of the listed here A sinusoid of double the frequency A sinusoid of half the original frequency A sinusoid of the same frequency None of the listed here ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Which of the following refers to a parallel circuit? The equivalent resistance is greater than any one of the resistors The current through each element is same The current through any one element is less than the source current The voltage across element is in proportion to it's resistance value The equivalent resistance is greater than any one of the resistors The current through each element is same The current through any one element is less than the source current The voltage across element is in proportion to it's resistance value ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The r.m.s. value of alternating current is given by steady (D.C.) current which when flowing through a given circuit for a given time produces The less heat than produced by A.C. flowing through the same circuit The same heat as produced by A.C. when flowing through the same circuit None of these The more heat than produced by A.C. when flowing through the same circuit The less heat than produced by A.C. flowing through the same circuit The same heat as produced by A.C. when flowing through the same circuit None of these The more heat than produced by A.C. when flowing through the same circuit ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory For the same peak value, which of the following wave has the least mean value? Sine wave Half wave rectified sine wave Triangular wave Square wave Sine wave Half wave rectified sine wave Triangular wave Square wave ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a pure inductive circuit if the supply frequency is reduced to 1/2, the current will Be doubled Be four times as high Be reduced to one fourth Be reduced by half Be doubled Be four times as high Be reduced to one fourth Be reduced by half ANSWER DOWNLOAD EXAMIANS APP