Your friend needs 10 ohms resistance. He came to you and asked, but you have 40 ohms resistance. 1. How many resistors your friend will ask you? 2. How the resistors are connected ? 3. Show that their effective resistance is 10 ohms.
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Disadvantages of Plastics
Natural decomposition of plastic can last from 400-1000 years and few types of plastics are non-degradable as well.
Plastic materials clog waterways, oceans, seas, lakes etc. ...
Many animals eat plastic materials and die. ...
Plastic is widely used in packaging.
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