The linear expansion of a material depends on which of the following?
the linear expansion of a material depends on which of the following?
the change in temperature of the material. the length of the material.
the type of material. all of the above.
both the change in temperature and the type of the material.

1. The change in temperature of the material.

2. The length of the material.

3. The type of material.

Explanation:

The term linear expansion is defined as the increase in length of any conductor when there is a change in temperature. The new length of any wire or rod is given by :

is the initial length of the rod

is the coefficient of linear expansion

is the change in temperature

It is clear that the linear expansion of a material depends on :

1. The change in temperature of the material.

2. The length of the material.

3. The type of material.

So, all options are correct.

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