Connection of circuits and electrical safety — task. Science CBSE, Class 6.

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Look at the pictures and answer accordingly:

1. Which of these following material can be used in electrical wires?

Polyvinyl chloride
Brass

2.

In the above figure, the bulb glows brightly because

The bulb is bigger
It has two cells
It has a switch

3.

In the above arrangement, the battery will be worn out so soon. Why?

Both the bulbs are connected together
It has one battery with two bulbs
It has two bulbs

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