# 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.