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Recent content by Uzair umar

U
Biology; Chemistry; Physics: Post your doubts here!

we can jus t simply say it as if electricity can flow through vaccum... so electron can flow too... but in some cases u have to provide a potential difference too...
- Uzair umar
- Post #20,343
- Sep 11, 2016
- Forum: O-Levels / GCSEs / IGCSE

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