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# NCERT Solutions for Class 12 Physics Chapter 3 Free PDF Download

## NCERT Solutions for Class 12 Physics Chapter 3 Current Electricity

Physics is a tough subject and scoring good marks is even tougher. Furthermore, its theories are simpler than the formulas. That’s why we have prepared these NCERT Solutions for Class 12 Physics Chapter 3 that will direct student attention to a simplified and easy explanation. Also, our proficient teacher is always available to resolve any issue that the students face.

Besides, the solutions are easy to understand as our professional teacher has designed them to bear a proper and complete meaning and explanation of each topic and formulas of the chapter.

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### CBSE Class 12 Physics Chapter 3 – Current Electricity NCERT Solutions

For the introduction, current electricity refers to the motion of electrons in motion along a path, regardless of the number of electrons that follows. In this, NCERT Solutions for Class 12 Physics Chapter 3 we have discussed the about the current that we use daily but does not understands how it works. This solution contains the diagrams, illustrations, and charts that the chapter mentions.

### Subtopics covered under NCERT Solutions for Class 12 Physics Chapter 3

#### 3.1 Introduction

This topic gives the basic idea of what we are going to discuss in this chapter. Also, how current naturally occur.

#### 3.2 Electric Current

This topic describes what is electric current and how it works.

#### 3.3 Electric Currents in Conductors

This topic outlines the performance of electric currents in the presence of a conductor.

#### 3.4 OHM’s Law

This topic defines what is OHM’s law and how it works for electric current. Also, the topic gives the formula of OHM’s law.

#### 3.5 Drift of Electrons and the Origin of Resistivity

This topic discusses the property of a material to oppose electric current. Moreover, the topic also discusses its formula.

3.5.1 Mobility- It refers to the movement of the current.

#### 3.6 Limitations of OHM’s Law

This topic talks about the various drawbacks of OHM’s law.

#### 3.7 Resistivity of Various Materials

This topic outlines the opposition of electric current of various materials.

#### 3.8 Temperature Dependence of Resistivity

This topic talks about the facts that the resistivity depends on the temperature substances.

#### 3.9 Electrical Energy, Power

The topic overview of the powerful energy that the electric current posses.

#### 3.10 Combination of Resistors- Series and Parallel

This topic defines the various combinations of series and parallel that are formed with the resistors. Also, the topic explains a number of formulas.

#### 3.11 Cells, EMF, Internal Resistance

This topic defines the functioning of Internal Resistance, ENF, and Cells.

#### 3.12 Cells in Series and in Parallel

This topic discusses what difference it makes if cells are aligned in a series or a parallel. Besides, the topic defines various formulas related to the topic.

#### 3.13 Kirchhoff’s Rules

This topic explains the Kirchhoff’s rule. In addition, they consist of two rules that are useful for the analysis of all-electric current.

#### 3.14 Wheatstone Bridge

This topic defines an electric circuit that is used to measure an unknown electrical resistance. Moreover, it does so by balancing the two sides of the bridge circuit.

#### 3.15 Meter Bridge

This is a type of Wheatstone bridge in which a straight wire replaces the lateral pair of resistances.

#### 3.16 Potentiometer

This topic outlines an instrument that measures the electromotive force by balancing it against the produced potential difference by a known current via a known variable resistance.

You can download NCERT Solutions for Class 12 Physics Chapter 3 PDF by clicking on the button below.

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Yashi

Can you convert it in Hindi

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