Batteries and cell connections — task. Science CBSE, Class 7 New.

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Choose the correct answer:

1. What is another reason for connecting two or more cells together?

To change the color of the device
To provide greater energy when required
To reduce the size of the cells
To prevent current flow

2. Which statement is correct about the term battery?

A battery always contains more than one cell
A battery can refer to just a single cell
A battery cannot be used in mobile phones
A battery only stores mechanical energy

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