AC Fundamentals, Circuit and Circuit Theory For the same peak value which of the following wave will 'have the highest r.m.s. value? Half wave rectified sine wave Sine wave Triangular wave Square wave Half wave rectified sine wave Sine wave Triangular wave Square wave ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The r.m.s. value of a sinusoidal A.C. current is equal to its value at an angle of ________ degrees. 60 45 30 90 60 45 30 90 ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Inductance of a coil Varies Inversely as the length of the iron path Directly as the cross-sectional area of magnetic core Both of the listed here None of the listed here Inversely as the length of the iron path Directly as the cross-sectional area of magnetic core Both of the listed here None of the listed here 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 Increasing core length Choosing core material having high relative permeability Decreasing the number of turns Decreasing the diameter of the former Increasing core length Choosing core material having high relative permeability Decreasing the number of turns ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Which of the following refers to a parallel circuit? The voltage across element is in proportion to it's resistance value The current through each element is same The current through any one element is less than the source current The equivalent resistance is greater than any one of the resistors The voltage across element is in proportion to it's resistance value The current through each element is same 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 In AC. circuits, laminated iron is invariably used in order to Reduce eddy current loss Increase heat radiation Reduce circuit permeability Make assembly cheap and easier Reduce eddy current loss Increase heat radiation Reduce circuit permeability Make assembly cheap and easier ANSWER DOWNLOAD EXAMIANS APP
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