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Electrical Engineering MCQ For Competitive Exam with Answer

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Electrical Engineering MCQ For Competitive Exam with Answer

 

 

Here are some multiple-choice questions (MCQs) along with their answers:

 

1. What is the SI unit of electric current?

a) Ampere (Answer)

b) Volt

c) Ohm

d) Watt

 

2. What is the unit of electrical resistance?

a) Ohm (Answer)

b) Farad

c) Hertz

d) Newton

 

3. Which law states that the total current entering a junction is equal to the total current leaving the junction?

a) Ohm's Law

b) Kirchhoff's Law (Answer)

c) Faraday's Law

d) Coulomb's Law

 

4. What is the formula for power (P) in an electrical circuit?

a) P = V/I

b) P = VI

c) P = V^2/R

d) P = I^2R (Answer)

 

5. In a series circuit, how does the total resistance change when more resistors are added?

a) Increases

b) Stays the same (Answer)

c) Decreases

d) Depends on the values of the resistors

 

6. Which material is commonly used as a semiconductor in electronic devices?

a) Silicon (Answer)

b) Copper

c) Aluminum

d) Gold

 

7. What is the function of a diode in an electrical circuit?

a) Allows current to flow in one direction only (Answer)

b) Amplifies electrical signals

c) Stores electrical energy

d) Regulates

 

These questions cover basic concepts in electrical engineering. Make sure to review and understand the explanations for each answer. Good luck with your competitive exam!

Electrical Engineering MCQ For Competitive Exam with Answer