PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free DemoChoose the correct answer:
1. Torchlight - A thin wire inside the glass bulb of an incandescent lamp that heats up and emits when electric current flows through it
2. Battery - An electric device with terminals, a positive terminal and a negative terminal, which are clearly marked
3. LED - It does not have a and has two terminals with fixed polarity: longer wire for positive terminal, shorter wire for negative terminal
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