AC Fundamentals, Circuit and Circuit Theory Two waves of the same frequency have opposite phase when the phase angle between them is 180° 360° 0° 90° 180° 360° 0° 90° ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The inductance of a coil can be increased by Choosing core material having high relative permeability Increasing core length Decreasing the number of turns Decreasing the diameter of the former Choosing core material having high relative permeability Increasing core length Decreasing the number of turns Decreasing the diameter of the former ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The series and parallel resonance on L-C circuit' differs in that Series resonance needs a high-resistance source for sharp increase in current Series resistance needs a low-resistance source for sharp rise in current Parallel resonance needs a low-resistance source for a sharp increase in impedance Parallel resonance needs a low-resistance source for a sharp rise in line current Series resonance needs a high-resistance source for sharp increase in current Series resistance needs a low-resistance source for sharp rise in current Parallel resonance needs a low-resistance source for a sharp increase in impedance Parallel resonance needs a low-resistance source for a sharp rise in line current ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The apparent power drawn by an A.C. circuit is 10 kVA and active power is 8 kW. The reactive power in the circuit is 10 kVAR 16 kVAR 8 kVAR 12 kVAR 10 kVAR 16 kVAR 8 kVAR 12 kVAR ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a R-L-C circuit All of the listed here Exchange of power takes place between inductor and supply line Exchange of power takes place between capacitor and supply line Power is consumed in resistance and is equal to IR All of the listed here Exchange of power takes place between inductor and supply line Exchange of power takes place between capacitor and supply line Power is consumed in resistance and is equal to IR ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The square waveform of current has following relation between r.m.s. value and average value. r.m.s. value of current is less than average value r.m.s. value of current is greater than average value None of these r.m.s. value is equal to average value r.m.s. value of current is less than average value r.m.s. value of current is greater than average value None of these r.m.s. value is equal to average value ANSWER DOWNLOAD EXAMIANS APP
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