# Electrical Engineering MCQ Questions with Answer

Categories: MCQS

Electrical Engineering MCQ Questions with Answer

Here are some multiple-choice questions (MCQs) related to electrical engineering along with their answers:

Question 1:

What is the SI unit of electric current?

A) Volts

B) Watts

C) Amperes

D) Ohms

Answer 1:

C) Amperes

Question 2:

What is the formula for Ohm's Law?

A) V = I/R

B) I = V/R

C) R = V/I

D) P = VI

Answer 2:

B) I = V/R

Question 3:

Which component stores electrical energy in a circuit?

A) Resistor

B) Capacitor

C) Inductor

D) Diode

Answer 3:

B) Capacitor

Question 4:

What type of material is typically used as a semiconductor in electronic devices?

A) Copper

B) Aluminum

C) Silicon

D) Gold

Answer 4:

C) Silicon

Question 5:

Which device is used to convert alternating current (AC) to direct current (DC)?

A) Transformer

B) Diode

C) Inductor

D) Capacitor

Answer 5:

B) Diode

Question 6:

What is the unit of power?

A) Joules

B) Volts

C) Watts

D) Amperes

Answer 6:

C) Watts

Question 7:

In a parallel circuit, what happens to the total resistance as you add more resistors?

A) Increases

B) Decreases

C) Stays the same

Answer 7:

B) Decreases

Question 8:

What is the purpose of a fuse in an electrical circuit?

A) To regulate voltage

B) To prevent overcurrent

C) To increase resistance

D) To amplify signals

Answer 8:

B) To prevent overcurrent

Question 9:

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

A) Kirchhoff's Voltage Law

B) Ohm's Law

C) Kirchhoff's Current Law

D) Faraday's Law

Answer 9:

C) Kirchhoff's Current Law

Question 10:

What does an oscilloscope measure?

A) Voltage

B) Current

C) Frequency

D) Waveform

Answer 10:

D) Waveform

Remember, it is important to study the concepts behind these questions and not just memorize the answers. Understanding the principles of electrical engineering will help you in both exams and practical applications.

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