homework 3a vocab

Question 1

static

Answer 1

something that is not moving

Question 2

static electricity

Answer 2

electrons sitting still, non moving electrons

Question 3

electrostatic charge

Answer 3

a deficiency or excess of electrons on a ungrounded or insulation surface.

Question 4

lighting arrestor

Answer 4

used to protect select things from lighting

Question 5

nuisance charge

Answer 5

a static charge that builds on something and zaps you.

Question 6

magnet

Answer 6

a material or object that produces a magnetic field.

Question 7

magnetic domain

Answer 7

it is a region within a magnet that has a uniformed direction.

Question 8

flux

Answer 8

magnetic lines of force.

Question 9

what is the basic law of magnetism

Answer 9

like poles repel one another and unlike poles attract each other.

Question 10

electromagnet

Answer 10

when a electric current flows through a conducotr

Question 11

ampere turn

Answer 11

the MKS unit of magnetomotive force.

Question 12

permeability

Answer 12

a measurement of a materials ability to conduct magnetic lines of flux.

Question 13

reluctance

Answer 13

resistance to becoming magnetized

Question 14

saturation

Answer 14

max amount of magnetic flux a material can hold.

Question 15

residual magnetism

Answer 15

what is left in a magnet after the magnetism has been removed.