Which factors affect the strength of a magnetic field around a current-carrying wire? Check all that ap the type of metal of the wire
in the amount of the current
the direction of the current
the temperature of the wire
the distance from the wire

Achlorine atom has 17 protons and 18 neutrons. what is its mass number? what is its atomic number?

Large electric fields in cell membranes cause ions to move through the cell wall. the field strength in a typical membrane is 1.0 x 10 7 n/c. what is the magnitude of the force on a calcium ion with charge +e? what is its acceleration? is it possible for a particle with the same charge as as calcium to have a different acceleration if placed at this location? what would change the acceleration: mass of the particle? diameter of the particle?

An object in mechanical equilibrium is an object