page 2 | Electric Circuit Analysis MCQ - Electrical Engineering Objective

Q21. An electric network with six independent nodes will have

Ten loop equations

Three loop equations

Five loop equations

Seven loop equations

Q22. The mesh analysis method
1. works with both planar and non-planar circuit
2. uses KVL
Which of the above is/are correct?

1 only

2 only

Both 1 and 2

Neither 1 nor 2

Q23. What is voltage across \(6\:Ω\) ?

6 V

2 V

4 V

3 V

Q24. By using source transformation Current source in parallel with a resistor is replaced by __________

Voltage source in parallel with a resistor

Voltage source in series with a resistor

Current source in parallel with a resistor

Current source in series with a resistor

Q25. The dual pair of KVL is ____________.

KCL

current source

voltage

current

Q26. According to Millman’s Theorem, if there are n voltage sources with n internal impedances respectively, are in parallel, then the value of equivalent voltage source is _______.

\(E=\frac{\frac{E_1}{Y_1}+\frac{E_2}{Y_2}+\frac{E_3}{Y_3}+.....+\frac{E_N}{Y_N}}{Y_1+Y_2+Y_3+.....+Y_N}\)

\(E=E_1Y_1+E_2Y_2+E_3Y_3+.....+E_NY_N\)

\(E=\frac{E_1Y_1+E_2Y_2+E_3Y_3+.....+E_NY_N}{Y_1+Y_2+Y_3+.....+Y_N}\)

\(E=\frac{E_1+E_2+E_3+.....+E_N}{Y_1+Y_2+Y_3+.....+Y_N}\)

Q27. Relative permittivity of mica is 5, then its absolute permittivity of a medium is ________.

\(44.3 \times10^{-11} \:F/m\)

\(4.43 \times10^{-11} \:F/m\)

\(443 \times10^{-11} \:F/m\)

\(4.43 \times10^{-12} \:F/m\)

Q28. The voltage of a particular bus can be controlled by controlling the ________.

Reactive power of the bus

Active power of the bus

Phase angle

Phase angle and reactive power

Q29. Electric field originates at __________.

Positive charge

Negative charge

Neither positive nor negative

Both positive and negative

Q30. The value of dielectric constant for vacuum is taken as

Zero

1

4

10

MCQ

ELECTRICAL CIRCUIT ANALYSIS