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Physics CBSE Live product
Class 8 (2026-27)
Electricity: Magnetic and Heating Effect
PT1 Revision - Electricity: Magnetic and Heating Effect
6.
Rechargeable batteries and electric cells
Question:
2
m.
Choose the correct answer:
1
.
Why are rechargeable batteries considered more environmentally friendly than disposable cells?
They are always bigger in size
They produce more heat
They can be used many times
They do not store electricity
2
.
Why are electric cells used in places where direct electric supply is unavailable?
Cells can store chemical energy and provide portable electricity
Cells only work during daytime
Cells reduce the temperature of devices
Cells increase the size of appliances
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