Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

Why is current division necessary?

A. In series current is the same
B. In parallel current differs
C. Because the voltage is also different
D. Because of Kirchhoff s laws.
Answer» C. Because the voltage is also different
2.

Voltage division is necessary for parallel resistance networks

A. True
B. False
Answer» C.
3.

R1 = 1 , R2 = 3 , R3 = 5 and R4 = 7 connected in parallel. Total Current = 23A. Then V, I1 , I2 =?

A. 12.26v, 1.725, 2.875
B. 12.23v, 2.875, 1.725
C. 11.26v, 1.95, 1.74
D. 11.23v, 1.74, 1.95
Answer» B. 12.23v, 2.875, 1.725
4.

R1 = 1 , R2 = 3 , R3 = 5 and R4 = 7 connected in series. Total voltage = 20V, Current I, V2 =?

A. I = 1.23, V<sub>2</sub> = 3.75
B. I = 1.25, V<sub>2</sub> = 3.75
C. I = 1.15, V<sub>2</sub>= 3.73
D. I = 1.16, V<sub>2</sub> = 3.72
Answer» C. I = 1.15, V<sub>2</sub>= 3.73
5.

Where voltage division problem arises

A. Series connected resistors
B. Parallel connected resistors
C. When resistors are equal
D. Both series and parallel resistors.
Answer» B. Parallel connected resistors
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