 # List of All Basic Electrical Laws and Theorems

In this post, I am sharing a list of basic electrical laws and theorems. Listing out these laws and theorems will be helpful for the electrical students.

All these different laws and theorems belong to electrical and electronics studies.

Before this article, I have explained the concept of an electrical circuit. They are used to solve the electrical network.

To solve these electrical circuits, you also need to apply multiple Electrical Laws and Theorems so that you can calculate the required values for various parameters.

Some laws are applicable to the AC and DC system.

Let’s see the most important electrical Laws, theorems and rules, one-by-one.

#### What are the basic Laws of Electrical Engineering?

Here are listing the most important top 13 electrical and electronics laws.

1. Ohm’s Law

Learn here detail, electric ohm’s law

Here is a simple calculator to calculate Current from Resistance and Voltage using Ohm’s law.

2.Electric and Magnetic Circuits Kirchhoff Law

There are two types of Kirchhoff’s Law.

• Kirchhoff Current Law
• Kirchhoff Voltage Law

3. Joule’s Law of Electrical Heating Effect

• First Law of Joule
• Second Law of Joule

4. Newton Law of Motions (Physics laws)

• First Law of Newton
• Second Law of Newton
• Third Law of Newton

Note: These are Physics laws and also useful in Electrical.

5. Electrostatic (Coloumb) Law

• First Law of Electrostatic
• Second Law or Coloumb Law of Electrostatic

6. Faraday’s Law Of Electromagnetic Induction

• Third Law or Lenz’s Law of Faraday

7. Biot Savart Law for Electric and Magnetic field

8. Ampere’s Circuital Law

9. Gauss’s Law

10. Lenz’s Law

11. Curie’s Law

12. Hopkinson’s Law

13. Wiedemann–Franz law

These list of electrical laws are applicable to both electrical and magnetic circuit.

#### Electrical and Electronic Network Theorems

In the electrical and electronic circuit, theorems help to simplify and to analyze the network.

Mostly these theorems are useful for the DC sources.

Here is the list of 9 theorems.

1. Superposition Theorem
2. Thevenin Theorem
3. Norton Theorem
4. Millman’s Theorem
5. Reciprocity Theorem
6. Compensation Theorem
7. Maximum power transfer Theorem
8. Star-Delta transformation Theorem
9. Delta-Star transformation Theorem

#### Electrical Machines Rule

The most important rule in electrical machines study is Fleming’s rule. Mainly, this rule is used for motors and generators.

Following are the two Fleming’s rule for Machine:

• Fleming’s Right-Hand Rule
• Fleming’s Left-Hand Rule

The first right-hand rule is applicable to the generators. And the second left-hand rule is applicable to the motors.

### 18 thoughts on “List of All Basic Electrical Laws and Theorems”

1. Hi Dipali Ji,

Star-Delta transformation Theorem
Delta-Star transformation Theorem

Thanks.

• Hello, Muqtar

Firstly thanks a lot for suggesting to me.

Sure, I will explain these theorems with the details in my upcoming article.

2. wonderful thanks alot..

• You’re most welcome, Mohamed!

3. • Thank you, Thangam.

4. Hello Dipali,
Please share an article about on dimension formulas of related to Electrical Engineering.

• Hie Rajnish,

Kindly, what point do you want me clear? Please, elaborate.

5. Thank you for sharing your knowledge. If you share the explanation of each theorems, it would be grateful.

• Hi Kris,

Thanks for suggesting. Soon, I will explain each electrical theorem one by one.

6. Hello
Why didn’t you add Lenz’s law?

• Thanks, Ramu for sharing this law. I added this law.

7. Thank you Dipali.

• You’re welcome 🙂

8. Hi Dipali,
Please, can you explain in detail?

• Hey, Akshay

I have already covered two laws out of this list. Surely, I will explain all these laws and theorems one by one.

9. • 