What voltage is needed to cause a 5A current flow through a 2Ω resistor?

The energy of an electromagnetic wave is related to its amplitude. a. True b. False

Mrs. Smith walks from her house 11.2 m to the grocer. Then she walks from the grocer 5.7 m to the pet store. Then she walks 32.7 m from the pet store to her daughter's house. Mrs Smith's house is directly 23.5 m away from her daughter's house.

A horizontal wire 1 m long carries 0.4 A and is oriented 30° N of W. The Earth's magnetic field runs due north at this location and is 1.5 x 10^-5 T in strength. What is the magnitude and direction of the magnetic force on the wire?

What is the net force that acts on a 10N falling object when it encounters 4N resistance

Fossils found in lower rock layers are generally more what than fossils found in rock layers closer to the surface

According to the first law of thermodynamics, what could happen when heat is added to a system? The internal energy of the system decreases. The heat is turned into work done by the system. New energy is created within the system.

How does a parallel circuit differ from a series circuit? A. A parallel circuit has one path for electrons, but a series circuit has more than one path. B. A series circuit has one path for electrons, but a parallel circuit has more than one path. C.

When a potassium ion (k+) enters a gaurd cell it creates a solution of what?

If two plates diverge at a rate of 1.3 cm/year, how much farther apart will the plates be after 200 million years?

What is root-mean-square current?