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NCERT Books Free Download for Class 12 Physics Chapter 3 - Current Electricity

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Last updated date: 23rd May 2024
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An Overview of Chapter 3 - Current Electricity of Class 12 Physics- Free Download

Free NCERT Books download for Class 12 Physics Chapter 3 - Current Electricity on Vedantu.com. Students can also download the NCERT Textbooks Solutions in PDF for Class 6 to 12 all subjects. Register for Physics tuition to clear your doubts and score more in your exams.

Question: How to download Class 12 Physics Chapter 3 NCERT Book for CBSE?

Answer: Students can download it from Vedantu. On this page, Students can download Class 12 Physics Chapter-3 PDF Solutions of the Book.

On this page, we delve deeper into Chapter 3 and its contents from the NCERT Physics books of Class 12.

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List of Sections in Chapter 3 - Current Electricity

Here is a List of the Topics that are Included in the Chapter: 

3.1 Introduction

3.2 Electric Current

3.3 Electric Currents In Conductors

3.4 OHM’S Law

3.5 Drift Of Electrons And The Origin Of Resistivity

3.5.1 Mobility

3.6 Limitations Of OHM’S Law

3.7 Resistivity Of Various Materials

3.8 Temperature Dependence Of Resistivity

3.9 Electrical Energy, Power

3.10 Combination Of Resistors – Series And Parallel

3.11 Cells, EMF, Internal Resistance

3.12 Cells In Series And In Parallel

3.13 Kirchhoff’s Rules

3.14 Wheatstone Bridge

3.15 Meter Bridge

3.16 Potentiometer

List of Examples in Chapter - 3: Current Electricity

Here is a Serial List of Examples from the Chapter:

Example 3.1 (a)

Example 3.1 (b)

Example 3.2 (a)

Example 3.2 (b)

Example 3.2 (c)

Example 3.2 (d)

Example 3.2 (e)

Example 3.3

Example 3.4

Example 3.5 (a)

Example 3.5 (b)

Example 3.5 (c)

Example 3.6

Example 3.7

Example 3.8

Example 3.9

Example 3.10

List of Exercises in Chapter - 3: Current Electricity

Let Us Go Through the List of Exercises and the Number of Questions From the Chapter:

Exercise 3.1 - 1 question

Exercise 3.2 - 1 question

Exercise 3.3 - 2 questions

Exercise 3.4 - 2 questions

Exercise 3.5 - 1 question

Exercise 3.6 - 1 question

Exercise 3.7 - 1 question

Exercise 3.8 - 1 question

Exercise 3.9 - 1 question

Exercise 3.10 - 3 questions

Exercise 3.11 - 1 question

Exercise 3.12 - 1 question

Exercise 3.13 - 1 question

Exercise 3.14 - 1 question

Exercise 3.15 - 2 questions

Exercise 3.16 - 1 question

Exercise 3.17 - 1 question

Exercise 3.18 - 4 questions

Exercise 3.19 - 4 questions

Exercise 3.20 - 3 questions

Exercise 3.21 - 1 question

Exercise 3.22 - 5 questions

Exercise 3.23 - 1 question

FAQs on NCERT Books Free Download for Class 12 Physics Chapter 3 - Current Electricity

1. Do I need to practise all the questions provided in Chapter 3 – Current Electricity?

Based on the guidelines of CBSE, it is important that students should regularly practice intext questions as well as the Chapter end exercise questions. For example, let’s take the concept of OHM’s Law. Ohm’s Law is important as it allows you to calculate how much resistance your components need in order to operate at a specific voltage. This equation helps us to understand the relation between voltage, current, and resistance. It was discovered by Georg Simon OHM in 1827, who was a German scientist and engineer. He was the one who made discoveries that allow us to understand electronic circuits.

2. What is the Significance of using NCERT Books for Class 12 Physics Chapter 3 – Current Electricity?

For conceptual learning, NCERT books comply with CBSE guidelines. In addition to being useful for school exams, board examinations, and even other competitive tests, these books can also be used as reference guides. The NCERT books are typically used in board exams. It is impossible to find any better book during examination times for revision than NCERT's. A significant advantage of NCERT books is that they are significantly cheaper and more accessible than any other books. Thus, students from all strata of life can have access to compulsory education. You can learn more by downloading the free study materials from the Vedantu site or app.

3. What is Ohm’s Law as taught in Class 12 Chapter 3 of Physics?

Ohm’s Law is an equation used to define the relationship between voltage, current, and resistance in an electrical circuit. It states that the voltage across a circuit is equal to the current through it multiplied by the resistance of the circuit, or V=IR. With Ohm’s Law, you can figure out the value of any component in an electric circuit if you know the values of the others, and can also calculate the overall load on a circuit, as well as its current and voltage.

4. What is Electric Current as taught in Class 12 Chapter 3 of Physics?

Electric current is the movement of electrons. In a wire, there are free electrons on the outside of the wire and negative charges in the middle. A current is a flow of charge through a material in a direction that is defined by the movement of that material. In object to object current, a fluid can be created when there is a charge difference between the two ends of the object. For example, in a stream of water, the side that is denser will have a higher current.

5. What is a potentiometer as taught in Class 12 Chapter 3 of Physics?

A potentiometer (sometimes abbreviated POT) is a three-terminal device that controls a circuit. The potentiometer is a passive electronic component and is linear but has a logarithmic relationship between an electrical input and a resulting output electrical voltage. It is used in volume controls and other applications where the input voltage or the control knob or slider position can vary over a wide range. The potentiometer is a variable resistor used for measuring various things like temperature, sound, light, etc. It has three terminals namely wiper, fixed end, and variable end.