Question

hyy tell this answer!!! ​

Answer 1

Answer:

• Resistance is defined as the opposition to the flow of electrical current through a conductor.

The resistance of a conductor depends on

1. the cross sectional area of the conductor,
2. the length of the conductor,
3. resistivity.

• Rheostat is the device used to change resistance without changing voltage...

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Answer 2

There are so many questions sorrry but I am doing my homework