Discuss briefly that how switch works.

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(a)

Briefly explain about the components present inside the cell.

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(a)

Explain why all the light bulbs and fans go off if the main switch is turned off in your house.

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(a)

What is a battery? Explain it with a figure.

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(a)

In figures A and B, show a bulb connected to a cell in two different ways.
(a) Mention the direction of the current through the bulb in both the cases (Q to P or P to Q)?
(b) Will the bulb glow in both the cases?
(c) Does the brightness of the glowing bulb depend on the direction of current through it?

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(a)

A torch requires 3 cells. Show the arrangement of the cells with a diagram inside the torch so that the bulb glows.

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(a)

If we touch a base wire and we are in contact with earth, then we can get an electric shock and if we are standing above a plastic or drywood chair, then even on touching the base wire, we will not get any electric shock. Explain why.

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(a)

Boojho has a cell and a single piece of connecting wire. Without cutting the wire in two, will he be able to make the bulb glow? Explain with the help of a circuit diagram.

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(a)

Describe an electric cell with the help of a labelled diagram.

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(a)

What is an electric switch? What is the purpose of using it ? Give some examples of electrical appliances where electric switches are used.

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(a)