Which of the following cannot be charged by rubbing it with neutral bodies?

A plastic scale

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A copper rod

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An inflated balloon

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A woollen cloth

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Solution

The correct option is B
A copper rod

Only non-conducting materials can be charged by rubbing with neutral bodies. Conductors are materials that allow electrons to flow through them easily. They cannot be easily charged by friction as the extra electrons gained can easily escape. Copper is a highly conducting materials. Therefore, a copper rod cannot be charged by rubbing it with neutral body.

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Similar questions

Which of the following cannot be charged easily by friction?

(a) A plastic scale

(b) A copper rod

(d) A woollen cloth

Question 01
Which of the following cannot be charged easily by friction?
(a) A plastic scale
(b) A copper rod
(c) An inflated balloon
(d) A woollen cloth.

Question 01
Which of the following cannot be charged easily by friction?
(a) A plastic scale
(b) A copper rod
(c) An inflated balloon
(d) A woollen cloth.

A glass rod is rubbed with a silk cloth and an inflated rubber balloon is rubbed with a woollen cloth.

Now, out of glass rod, silk cloth, rubber balloon and woollen cloth:

(a) Which two objects acquire negative charge?

(b) Which two objects acquire positive charge?

Which of the following cannot be charged by friction, if held by hand ?

(a) a plastic scale (b) a copper rod (c) an onflated balloon (d) a woollen cloth

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