Explore topic-wise MCQs in Electrical Engineering.

This section includes 53 Mcqs, each offering curated multiple-choice questions to sharpen your Electrical Engineering knowledge and support exam preparation. Choose a topic below to get started.

51.

In a certain three-branch parallel circuit, R1 has 12 mA through it, R2 has 15 mA through it, and R3 has 25 mA through it. After measuring a total of 27 mA, you can say that

A. R3 is open
B. R1 is open
C. R2 is open
D. the circuit is operating properly
Answer» B. R1 is open
Discussion
52.

A 470 resistor, a 220 resistor, and a 100 resistor are all in parallel. The total resistance is approximately

A. 790
B. 470
C. 60
D. 30
Answer» D. 30
Discussion
53.

An ammeter has an internal resistance of 50 . The meter movement itself can handle up to 1 mA. If 10 mA is applied to the meter, the shunt resistor, RSH1, is approximately

A. 55
B. 5.5
C. 50
D. 9
Answer» C. 50
Discussion