PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free DemoTest whether the given material allows current to pass through it or not:
- Collect samples of different types of materials such as coins, cork, rubber, glass, keys, pins, plastic scale, wooden block, aluminium foil, candle, sewing needle, thermo Col, paper and pencil lead.
- One by one bring the free ends of the wires of your tester in contact with two ends of the samples you have collected.
- Make sure that the two wires do not touch each other while you are doing so.
Placing a tester in between the wires
Does the bulb glow in each case? Make a table in your notebook similar to table, and record your observations.
Object used in the place of switch | Material it is made of | Bulb glows (Yes/No) |
Coins | ||
Cork | ||
Rubber | ||
Glass | ||
Keys | ||
Pins | ||
Plastic scale | ||
Wooden block | ||
Aluminium foil | ||
Candle | ||
Sewing needle | ||
Thermo Col | ||
Paper | ||
Pencil lead |
Important!
This is a activity-based exercise. Write the answer in a sheet and compare it with the solution given below.