unit 2 quizzi

a flow of negative charge(electrons) from negative to positive

a flow of positive charge from positive to negative

the current in which the electric charge only flows in one direction

the current in which the electric charge changes direction periodically

the time it takes for a particle on a medium to make one complete vibrational cycle/ the time for 1 complete cycle from positive back to positive again

the maximum distance moved by a point on a vibrating body or wave measured from its equilibrium position ( from rest to crest)

the number of times that a wave is produced within a particular period, especially one second / directly proportional of the period

a substance that allows electricity to go through it / provides easy pass for electrons / has many free electrons

materials that have a conductivity between conductors and nonconductors or insulators.

material or device that doesn’t let electric current flow easily / has a few or doesn’t have free electrons