Electric Currents In Conductors
Chapter Name : Current Electricity |
Sub Topic Code : 101_12_03_03_01 |
Topic Name : Electric Currents In Conductors |
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Sub Topic Name : Electric Currents In Conductors |
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Introduction
What is electric current and how does it flow through conductors?
Pre-Requisites:
Charge, current, direction of current flow.
Activity:
Understand the movement of electrons inside a conductor and how current flow takes place through the conductor.
Real Life Question:
Why are copper wires provided with an external coating of plastic?
Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
|---|---|
| Free charges Conductor | Materials in which electrons are free to move in the presence of electric field. Materials which allow electricity to flow through them. |
Learning aids / Gadgets
| Gadgets | How it can be used |
|---|---|
| Simulation Software | Compare the weight of objects on Earth with the weights of those objects on the moon and other planets |
Real life uses :
Current flow through transmission lines using copper wires.
Places to visit :
Science Museum and labs.
Practical examples around us
| Examples | Explainations |
|---|---|
| Electric shock | Steel scale placed on the switch board pin will electrify us due to passage of current through it. |
What you learn in Theory:
Conductors and their property(electrical)
What you learn in Practice:
Use of suitable materials for conducting and transporting electric current.