Class 9 Science | Heating Effect of Electric Current and Electric Power

Science Class 9 · Electricity

Heating Effect and Electric Power

Nichrome · P = IV · Watts

By the end you can

🔥

Explain the heating effect of current

🧵

Say why nichrome is used

💡

Describe how a filament bulb glows

⚡

Solve problems with P = IV

The notes are free to read in full.

Presenter notes: Today we find out why bulbs and heaters get hot, and how to measure how fast an appliance uses energy.