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Unit: Electricity (Hindi)

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You may have heard of electric current. But what exactly is it? In this lesson, we will explore this and figure out how do we measure this?
Voltage is a very common word in electricity. But in this lesson, we will learn exactly what it means and how to calculate it.
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What decides whether something is a good or a bad conductor of electricity? It's the resistivity of that material. So let's explore this concept of resistance and resistivity in detail.
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Sometimes we are challenged with mixed circuits, containing resistors both in series and parallel. Let's learn how to tackle such problems once and for all
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We love electricity. But the same electricity heats up your phone when you are gaming. So let's explore why electricity heats up things, and how we can use it to our advantage.
Circuits with electric bulbs seem tricky at first. But once we get the knack, it will be a breeze. So let's learn how to attack such circuits.
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We pay for electrical energy. But when you look at an electricity bill, you don't see the familiar unit Joules. You only see 'unit'. What is this 'unit'? And why do electric companies measure electricity in terms of these 'units'? The answers, in this lesson.
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About this unit

We can't imagine our lives without electricity. But what exactly is electricity? How does electricity light up our houses? What does a battery do? What is the cost of electricity? We will answer all these questions in this chapter.