PHYSICS HOMEWORK HELP!??????

1. If the magnitude of conductivity is 100, what is the magnitude of the resistivity?

A. 0.01

B. 100

C. 1

D. 10

2. True of False: An alloy is a rock mixture.

3. Insulators typically have disorganized atomic structures

4. Which are the charge carriers sold in materials?

A. Protons and Neutrons

B. Electrons

C. Neutrons

D. Cations

5. True or False: A short wire will have less resistance than a long wire.

6. Which is resistance?

A. Amplification of electric current

B. The speeding up of the charge flow in a electric current

C. The increase of the potential difference across the conductor

D. The slowing down or blocking of electric charge flow in a conductor

7. The ________ of a wire can affect the resistance

A. Width

B. Kilowatt Conductivity

C. Color

D. Year

8. True or False: Length has no effect on the resistance of a wire.

9. I already answered this

10. Compare the flow of electricity to the following of a river. Explain your answer in terms of potential energy.

11. If 1.25 x 10^18 electrons pass a point in 1 second and the resistance is 4 ohms, what is the voltage of the circuit? Explain your reasoning.