How do we know if a cell or a battery is dead? Can all cells and batteries be recharged? Class 8
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How do we know if a cell or a battery is dead? Can all cells and batteries be recharged? Class 8
How do we know if a cell or a battery is dead? Can all cells and batteries be recharged? Class 8
Answer:
A battery is dead if:
- It doesn't light up a bulb or run a motor.
- A multimeter shows zero or very low voltage.
- Not all batteries can be recharged:
- Dry cells (like AA or AAA) usually cannot be recharged.
- Rechargeable batteries (like in phones or inverters) can be charged again and again.