AC Fundamentals, Circuit and Circuit Theory The inductance of a coil can be increased by Choosing core material having high relative permeability Decreasing the diameter of the former Decreasing the number of turns Increasing core length Choosing core material having high relative permeability Decreasing the diameter of the former Decreasing the number of turns Increasing core length ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Which of the following waves has the highest value of peak factor ? Triangular wave Half wave rectified sine wave Square wave Sine wave Triangular wave Half wave rectified sine wave Square wave Sine wave ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Power factor of the following circuit will be unity Capacitance None of the listed here Inductance Resistance Capacitance None of the listed here Inductance Resistance ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The series and parallel resonance on L-C circuit' differs in that Parallel resonance needs a low-resistance source for a sharp rise in line current Parallel resonance needs a low-resistance source for a sharp increase in impedance Series resistance needs a low-resistance source for sharp rise in current Series resonance needs a high-resistance source for sharp increase in current Parallel resonance needs a low-resistance source for a sharp rise in line current Parallel resonance needs a low-resistance source for a sharp increase in impedance Series resistance needs a low-resistance source for sharp rise in current Series resonance needs a high-resistance source for sharp increase in current ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The frequency of an alternating current is The number of waves passing through a point in one second The number of electrons passing through a point in one second The number of cycles generated in one minute The speed with which the alternator runs The number of waves passing through a point in one second The number of electrons passing through a point in one second The number of cycles generated in one minute The speed with which the alternator runs 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° 0° 360° 180° 90° 0° 360° 180° ANSWER DOWNLOAD EXAMIANS APP
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