Electric Current and Circuits

The course explains you what Current is, why the current flows, how current flows, what materials it can flow through and other definitions of components revolving around current like, Drift Velocity, Ohm's Law, Resistance, Resistivity, Conductance, Conductivity, Current Density and temperature dependence. Further,you will learn about Electromotive force, Terminal potential difference, the combination of cells, Kirchhoff's Law, Wheat stone bridge and Conversion of Galvanometer into ammeter and voltmeter.

This section is a one-stop shop for all Medical aspirants. Be thorough with these powerful courses that will give you the right strategy for preparation, and help you crack any pre-medical exam.

NEET UG

English

Current Electricity and Simple Circuits

Physics

JEE (Joint Entrance Examination) Preparation

Electricity & Magnetism

IITJEE, NEET UG and Foundation

This lesson derives the expression for current and proves the very famous Ohm's Law and derive the expression for resistance too.

Expression for Current and Ohm's Law

What is Current?

Resistivity, Conductance, Conductivity, Temperature Dependence

Simple Currents

Combination of Cells: Series, Parallel and Mixed

Kirchoff's Law

Wheat Stone's Bridge

Meter Bridge

Conversion of Galvanometer into Ammeter and Voltmeter

Please Login To Continue

Expression for Current and Ohm's Law

Sankalp Rajpoot

Current Electricity and Simple Circuits

1

2

3

4

5

6

7

8

9

Crack NEET UG with Unacademy

Get subscription and access unlimited live and recorded courses from India's best educators

Structured syllabus

Daily live classes

Ask doubts

Tests & practice

Similar Plus Courses

Course on Electrochemistry

Ajay Mishra (Akm)

Detailed Course on Periodic Properties for NEET - UG 2025

Ramesh Sharda

Course on Evolution for NEET 2025

Dr Amit Gupta