1the voltage across the total circuit of any portion of the circuit is equal to the current times to resistance
ohm's law
2in series circuit, the constant value is
ampere (I)
3in parallel circuit, the constant value is
voltage (v)
4types of current
direct and alternating current
5flow in one direction along conductor, represented in horizontal line
direct current
6current flow first in one direction and then in the opposite direction
current which oscillates back and forth
wave/sine form
alternating current
7the fundamental property of some forms of matter
difficult to detect and measure
magnetism
8the region around a magnetic material or a moving electric charge within which the force of magnetism acts.
created by the particles in motion
magnetic field
9field created by proton in hydrogen nucleus spins on its axis and creates a nuclear magnetic dipole
magnetic moments
10small magnet created by electrons
magnetic dipole
11an accumulation of many atomic magnets with their dipoles aligned creates
magnetic domain
12the ability of a magnetic material to support magnetic field development. (nag-aattract)
magnetic permeability
13is the amount of magnetisation that is generated when exposed to a unit-strength magnet. (naattract)
magnetic susceptibility
14different types of magnets
naturally occurring magnets
artificially induced permanent magnets
electromagnets
15magnetic states of matter
nonmagnetic
diamagnetic
ferromagnetic
paramagnetic
16materials that can't be attracted
nonmagnetic
17materials are weakly repelled by either magnetic pole
diamagnetic
19materials lie somewhere between ferromagnetic and nonmagnetic
paramagnetic