Capacitance of a single phase circuit - MCQs with Answers

Capacitance of a single phase circuit - MCQs with Answers

Q1. Capacitance between the two conductors of a single phase two wire line is 0.5 μ F/km. What is the value of capacitance of each conductor to neutral?

a. 0.5 μ F / km.
b. 1 μ F / km.
c. 0.25 μ F / km.
d. 2.0 μ F / km.

View Answer / Hide Answer

Q2. What happens in case of capacitance of line to ground, if the effect of earth is taken into account?

a. Capacitance of line to ground decreases.
b. Capacitance of line to ground increases.
c. The capacitance remains unaltered.
d. The capacitance becomes infinite.

View Answer / Hide Answer

Q3. What is the value of capacitance to neutral for the two wire line?

a. Twice the line to line capacitance.
b. Equal to line to line capacitance.
c. Thrice the line to line capacitance.
d. Half of line to line capacitance.

View Answer / Hide Answer

Q4. A two conductor single phase line operates at 50Hz. Diameter of each conductor is 20mm and the spacing between the conductors is 3m. The height of the conductors above the ground is 6m. What is the capacitance of the line to neutral?

a. 9.7 pF/m.
b. 10.8 pF/m.
c. 3.57 pF/m.
d. 2.415 pF/m.

View Answer / Hide Answer