AC Fundamentals, Circuit and Circuit Theory The inductance of a coil can be increased by 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 Decreasing the diameter of the former ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory For a sine wave with peak value Imax the r.m.s. value is 0.5 Imax 0.707 0.9 1.414 Imax 0.5 Imax 0.707 0.9 1.414 Imax ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a series L-C circuit at the resonant frequency the Voltage across C is minimum Current is minimum Impedance is maximum Current is maximum Voltage across C is minimum Current is minimum Impedance is maximum Current is maximum ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory A heater is rated as 230 V, 10 kW, A.C. The value 230 V refers to R.m.s. voltage Peak voltage Average voltage None of the listed here R.m.s. voltage Peak voltage Average voltage None of the listed here ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The purpose of a parallel circuit resonance is to magnify Power Current Frequency Voltage Power Current Frequency Voltage ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Form factor for a sine wave is 1.414 0.637 0.707 1.11 1.414 0.637 0.707 1.11 ANSWER DOWNLOAD EXAMIANS APP