Electric Current And Circuit
Chapter Name : Electricity |
Sub Topic Code : 101_10_12_01_01 |
Topic Name : Electric Current And Circuit |
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Sub Topic Name : Electric Current And Circuit |
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Introduction
Electric current is due to the movement of charges in the circuit.
Pre-Requisites:
Introduction about various currents.
Activity:
Make an electric circuit consisting a cell, an electric bulb, an ammeter and a plug key. And observe why bulb glows when you switch the key to ON.
Real Life Question:
"Why does a fan start when we switch it on?" "Why doesn't electricity flow from the wood?"
Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
|---|---|
| Electric Circuit | A closed path for the electric current to flow. |
| Electric current | Rate of flow of charge in any circuit. |
| Ammeter | An instrument to measure the electric current in the circuit. |
Learning aids / Gadgets
| Gadgets | How it can be used |
|---|---|
| Torch | It gives light when we switch it on. |
Real life uses :
All the electrical instruments like TV, Computer, Electric iron, Washing machine, Fan etc everything runs on electricity.
Places to visit :
Your school physics lab
Practical examples around us
| Examples | Explainations |
|---|---|
| Al the electrical appliances | all the electrical instruments like TV, Computer, Electric iron, Washing machine, Fan etc everything runs on electricity. |
What you learn in Theory:
Electric current is rate of flow of charges and flows through a closed path called electric circuit.
What you learn in Practice:
Electric current flows only when the current flowing path is complete that is why fan doesn't start when we keep it switched off. All the important appliances in our home runs on electricity.