CBSE Class 6 Answered
What is the purpose of using electric switches?
Why the two terminals of the electric cell are never joined together without connecting them through a switch and a device like a bulb?
Asked by Topperlearning User | 15 May, 2015, 11:25: AM
Expert Answer
- The switch acts as a lever that connects (ON) and disconnects (OFF) the circuits.
- The two terminals of the electric cell are never joined together without connecting them through a switch and a device like a bulb because if we do so the chemicals in the electric cell get used up very fast and the cell stops working.
Answered by | 15 May, 2015, 01:25: PM
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