Resistivity

Practice Questions

AP Physics 2 › Resistivity

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1

A cylinder of an unknown material is being tested. It is tall, with a radius of . Electrodes are placed on each face of the cylinder. It is determined that the resistance is . What is the resistivity?

2

A resistor has cross sectional area and length . When placed in series with a battery, a current of is produced. Determine the resistivity.

3

A sample of a new material is being tested. It is tall, with a radius of . Electrodes are placec on each face of the cylinder. The resistance is determined to be .

What is the resistivity of this material?

4

A resistor is made out of a material. The resistor has a cross-sectional area of and a length of . It is found to have a resistance of . Determine the resistivity of the material.

5

A cylindrical resistor is long with a diameter of . Determine the resistivity of the material if the resistance is .

6

You are researching new materials for usage in spacecraft electronics.

You have a new material, known as "Type F."

You carve out a cylinder of the material. It is tall, with a radius of .

You put electrodes on each face of the cylinder.

You determine the resistance to be .

What is the resistivity of "Type F?"

7

A scientist carves out a cylinder of a new material she developed. It is tall, with a radius of . She put electrodes on each face of the cylinder. She determined the resistance to be . What is the resistivity of this material?

8

There is a sample of an unknown material under testing. It is tall, with a radius of . Electrodes are placed on each face of the cylinder. It is determined that the resistance to .

What is the resistivity?

9

A resistor is made out of a material. The resistor has a cross-sectional area of and a length of . It is found to have a resistance of . A new resistor is built that has a length of and a cross sectional area of . Determine the resistance of the new resistor.

10

A resistor is made out of a material. The resistor has a cross-sectional area of and a length of . It is found to have a resistance of . A new resistor is built that has a length of and a cross sectional area of . Determine the resistance of the new resistor.

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