AC Fundamentals, Circuit and Circuit Theory The r.m.s. value of pure cosine function is Zero 0.707 of peak value Same as peak value 0.5 of peak value Zero 0.707 of peak value Same as peak value 0.5 of peak value 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 80 kW 40 kW 36 kW 32 kW 80 kW 40 kW 36 kW 32 kW ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In any A.C. circuit always Apparent power is more than actual power Reactive power is more than apparent power Reactive power is more than actual power Actual power is more than reactive power Apparent power is more than actual power Reactive power is more than apparent power Reactive power is more than actual power Actual power is more than reactive power ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Time constant of a capacitive circuit Increase with increase of capacitance and increase of resistance Increases with the decrease of capacitance and decrease of resistance Increases with the decrease of capacitance and increase of resistance Increases with the increase of capacitance and decrease of resistance Increase with increase of capacitance and increase of resistance Increases with the decrease of capacitance and decrease of resistance Increases with the decrease of capacitance and increase of resistance Increases with the increase of capacitance and decrease of resistance 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 A parallel AC. circuit in resonance will Have current in each section equal to the line current Act like a resistor of low value Have a high voltage developed across each inductive and capacitive section Have a high impedance Have current in each section equal to the line current Act like a resistor of low value Have a high voltage developed across each inductive and capacitive section Have a high impedance ANSWER DOWNLOAD EXAMIANS APP
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