Class 10 Science | Transformer

Science and Technology, Grade 10 · Unit 11

Transformer

Raising and lowering voltage · Mutual induction

By the end of this lesson you can

🔌

Say what a transformer is, with examples

🏭

Explain its role in production, transmission and distribution

🧲

Describe its construction and mutual induction

🔁

Tell the primary coil from the secondary coil

📱Mobile charger

Takes in 220 V

Gives out 5.3 V

Lowers the voltage

🍲Microwave oven

Takes in 220 V

Gives out 2100 V

Raises the voltage

The notes are free to read in full.

Presenter notes: Today we study one device found everywhere from a phone charger to a giant substation: the transformer.