If the cross-sectional area of a wire is decreased while all other factors remain the same, how will the resistance change?

A. It will increase

B. It will decrease.

C. It will go to zero.

D. The cross-sectional area does not affect the resistance.

If a radioactive isotope that was injected into your bloodstream has a half-life of 5 hours, how many hours do you have to wait before the amount of this isotope in your body is 1/16 its original amount?

Write a reflection about what you learned and how you can reduce your carbon footprint (ecological footprint)

Dante pushes a box with a force of 12 N to the left. Audrey pushes the box with a force of 8 N to the right. If the box has a mass of 9 kg, find its mas acceleration

You are discussing a material that has a strong resistance to the flow of electrons. This is a description of a A: Semi Insulator B: Semi Conductor C: Conductor D: Insulator

An ideal transformer has LaTeX: N_1 = 1000 N 1 = 1000 (number of windings on the primary side), and LaTeX: N_2 = 8000 N 2 = 8000 (number of windings on the secondary side).

If you lift a five pound object 18 inches how many joules of energy did yo use?

A temperature of 20°C is equal to °F.

Technician A says that when a fuse has popped, it just needs to be replaced, since it performed its job. Technician B says that when a fuse has blown, the circuit needs to be diagnosed because the fuse was probably not the problem. Who is correct? A.

A car starts from rest and moves around a circular track of radius 37.0 m. Its speed increases at the constant rate of 0.440 m/s2. (a) What is the magnitude of its net linear acceleration 18.

A dog walks Along the ground. If the dog applies an action force on the ground, what is the reaction force?