A. lags
B. leads
C. remains in phase with
D. none of the above
Related Mcqs:
- Which of the following circuit component opposes the change in the circuit voltage ?
A. Inductance
B. Capacitance
C. Conductance
D. Resistance - The power consumed in a circuit element will be least when the phase difference between the current and voltage is__________?
A. 180″
B. 90°
C. 60°
D. 0° - The phase difference between voltage and current wave through a circuit element is given as 30°. The essential condition is that
A. both waves must have same frequency
B. both waves must have identical peak values
C. both waves must have zero value at the same time
D. none of the above - The power consumed in a circuit element will be least when the phase difference between the current and voltage is________?
A. 180″
B. 90°
C. 60°
D. 0° - The product of apparent power and cosine of the phase angle between circuit voltage and current is
A. true power
B. reactive power
C. volt-amperes
D. instantaneous power - The power factor at resonance in R-L- C parallel circuit is________?
A. zero
B. 0.08 lagging
C. 0.8 leading
D. unity - The series and parallel resonance on L-C circuit’ differs in that_________?
A. series resistance needs a low-resistance source for sharp rise in current
B. series resonance needs a high-resistance source for sharp increase in current
C. parallel resonance needs a low-resistance source for a sharp in¬crease in impedance
D. parallel resonance needs a low-resistance source for a sharp rise in line current - Which of the following refers to a parallel circuit ?
A. The current through each element is same
B. The voltage across element is in proportion to it’s resistance value
C. The equivalent resistance is greater than any one of the resistors
D. The current through any one element is less than the source current - The purpose of a parallel circuit resonance is to magnify________?
A. current
B. voltage
C. power
D. frequency - A parallel AC. circuit in resonance will__________?
A. have a high voltage developed across each inductive and capacitive section
B. have a high impedance
C. act like a resistor of low value
D. have current in each section equal to the line current
