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 input of an A.C. circuit having power factor of 0.8 lagging is 40 kVA The power drawn by the circuit is 32 kW 40 kW 36 kW 80 kW 32 kW 40 kW 36 kW 80 kW ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The product of apparent power and cosine of the phase angle between circuit voltage and current is Instantaneous power Reactive power Volt-amperes True power Instantaneous power Reactive power Volt-amperes True power ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The r.m.s. value of pure cosine function is 0.707 of peak value Same as peak value Zero 0.5 of peak value 0.707 of peak value Same as peak value Zero 0.5 of peak value ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Which of the following waves has the highest value of peak factor ? Triangular wave Square wave Half wave rectified sine wave Sine wave Triangular wave Square wave Half wave rectified sine wave Sine wave ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The ratio of active power to apparent power is known as factor. Form Load Demand Power Form Load Demand Power ANSWER DOWNLOAD EXAMIANS APP
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