Explore topic-wise MCQs in Electrical Engineering.

This section includes 40 Mcqs, each offering curated multiple-choice questions to sharpen your Electrical Engineering knowledge and support exam preparation. Choose a topic below to get started.

1.

Find branch current .

A. 5.4 mA
B. –5.4 mA
C. 113.0 mA
D. 119.6 mA
Answer» D. 119.6 mA
Discussion
2.

Find the node voltage .

A. 6 V
B. 12 V
C. 4.25 V
D. 3 V
Answer» D. 3 V
Discussion
3.

4 + 4 = 2 6 + 7 = 4

A. 0.5 A
B. 50 mA
C. –0.5 A
D. –50 mA
Answer» D. –50 mA
Discussion
4.

Using the mesh current method, find the branch current, , in the above figure.

A. 115 mA
B. 12.5 mA
C. 12.5 A
D. 135 mA
Answer» B. 12.5 mA
Discussion
5.

What is the current through ?

A. 177 mA
B. 250 mA
C. 500 mA
D. 125 mA
Answer» B. 250 mA
Discussion
6.

What is the voltage drop across ?

A. 3.5 V
B. 4.18 V
C. 1.5 V
D. 145 mV
Answer» C. 1.5 V
Discussion
7.

What is the voltage drop across R3?

A. 112 mV
B. 11.25 V
C. 180 mV
D. 1.80 V
Answer» D. 1.80 V
Discussion
8.

What is the voltage drop across R2?

A. 3.5 V
B. 4.18 V
C. 1.5 V
D. 145 mV
Answer» C. 1.5 V
Discussion
9.

Third-order determinants are evaluated by the expansion method or by the cofactor method.

A. rue
B. alse
Answer» B. alse
Discussion
10.

Find the node voltage VA.

A. 18 mV
B. .18 V
C. .56 V
D. 56 mV
Answer» C. .56 V
Discussion
11.

Second-order determinants are evaluated by subtracting the signed cross-products.

A. rue
B. alse
Answer» C.
Discussion
12.

What is the current through R2?

A. .19 A
B. 19 mA
C. .73 A
D. 73 mA
Answer» E.
Discussion
13.

The mesh method can be applied to circuits with any number of loops.

A. rue
B. alse
Answer» B. alse
Discussion
14.

When assigning branch currents, you need not be concerned with the direction you choose.

A. rue
B. alse
Answer» B. alse
Discussion
15.

Using the mesh current method, find the branch current, IR1, in the above figure.

A. 15 mA
B. 2.5 mA
C. 2.5 A
D. 35 mA
Answer» B. 2.5 mA
Discussion
16.

The mesh current method is based on Kirchhoff's current law.

A. rue
B. alse
Answer» C.
Discussion
17.

What is the voltage drop across R1?

A. 50 mV
B. .82 V
C. .18 V
D. 18 mV
Answer» C. .18 V
Discussion
18.

In assigning the direction of branch currents.

A. he directions are critical
B. he directions are not critical
C. hey must point into a node
D. hey must point out of a node
Answer» C. hey must point into a node
Discussion
19.

Find I2.4I1 4I2 = 2 6I1 7I2 = 4

A. 0.0416666666666667
B. –1 A
C. 100 mA
D. –100 mA
Answer» B. –1 A
Discussion
20.

Referring to Problem 10, find branch current IR3.

A. –67.8 mA
B. 67.8 mA
C. –5.4 mA
D. 5.4 mA
Answer» D. 5.4 mA
Discussion
21.

The expansion method for evaluating determinants is%!

A. Better than any other method
B. Good for only one determinant
C. More flexible than the cofactor method
D. Good for second- and third-order determinants
Answer» E.
Discussion
22.

Third-order determinants are evaluated by the expansion method or by the cofactor method.%!

A. True
B. False
Answer» B. False
Discussion
23.

Generally, the mesh current method results in fewer equations than the node voltage method.%!

A. True
B. False
Answer» C.
Discussion
24.

When assigning branch currents, you need not be concerned with the direction you choose.%!

A. True
B. False
Answer» B. False
Discussion
25.

Using the mesh current method, find the branch current, IR1, in the above figure.%!

A. 115 mA
B. 12.5 mA
C. 12.5 A
D. 135 mA
Answer» B. 12.5 mA
Discussion
26.

The node voltage method is based on Kirchhoff's voltage law.%!

A. True
B. False
Answer» C.
Discussion
27.

The mesh current method is based on Kirchhoff's current law.%!

A. True
B. False
Answer» C.
Discussion
28.

The branch current method is based on Kirchhoff's voltage law and Kirchhoff's current law.%!

A. True
B. False
Answer» B. False
Discussion
29.

Find the node voltage VA.%!

A. 518 mV
B. 5.18 V
C. 9.56 V
D. 956 mV
Answer» C. 9.56 V
Discussion
30.

Second-order determinants are evaluated by subtracting the signed cross-products.%!

A. True
B. False
Answer» C.
Discussion
31.

What is the current through R2?%!

A. 3.19 A
B. 319 mA
C. 1.73 A
D. 173 mA
Answer» E.
Discussion
32.

A loop current is an actual current in a branch.%!

A. True
B. False
Answer» C.
Discussion
33.

The mesh method can be applied to circuits with any number of loops.%!

A. True
B. False
Answer» B. False
Discussion
34.

What is the voltage drop across R1?%!

A. 850 mV
B. 7.82 V
C. 9.18 V
D. 918 mV
Answer» C. 9.18 V
Discussion
35.

*/*_What is the voltage drop across R1??

A. 850 mV
B. 7.82 V
C. 9.18 V
D. 918 mV
Answer» C. 9.18 V
Discussion
36.

*/*_The first row of a certain determinant has the numbers 3 and 5. The second row has the numbers 7 and 2. The value of this determinant is?

A. 31
B. -31
C. 39
D. -29
Answer» E.
Discussion
37.

_ The first row of a certain determinant has the numbers 3 and 5. The second row has the numbers 7 and 2. The value of this determinant is$?

A. 31
B. -31
C. 39
D. -29
Answer» E.
Discussion
38.

_In assigning the direction of branch currents.$?

A. The directions are critical
B. The directions are not critical
C. They must point into a node
D. They must point out of a node
Answer» C. They must point into a node
Discussion
39.

The branch current method uses.

A. Kirchhoff's voltage and current laws
B. Thevenin's theorem and Ohm's law
C. Kirchhoff's current law and Ohm's law
D. The superposition theorem and Thevenin's theorem
Answer» B. Thevenin's theorem and Ohm's law
Discussion
40.

Find branch current IR2.

A. 5.4 mA
B. -5.4 mA
C. 113.0 mA
D. 119.6 mA
Answer» D. 119.6 mA
Discussion