mean drift velocity equation?
I = Anev
does increased number of electrons mean increased current or decreased current?
increased
does increased mean drift velocity mean increased current or decreased current?
increased
Charge and current equation?
Q = It
current defenition?
rate of flow of charge
What is one coloumb of charge?
amount of charge that passes a point in 1 second when the current is 1 ampere
do ammeters connect in series or parallel?
series
what is the direction of flow of conventional current?
positive to negative
what is the direction of flow of electrons?
negative to positive
charge carriers defenition?
electrically charged particles that are free to move in an object
what are the charge carriers in all metals and most objects?
electrons
what is the elementary charge on an electron?
1.6 x 10 ^-19 C
what are the charge carriers in other materials like liquids and gases?
positive or negative ions?
conductors and charge carriers?
lots of charge carriers per unit volume
semiconductors and charge carriers?
a few charge carriers per unit volume
insulators and charge carriers?
no charge carriers
what does kirchoff’s first law conserve?
charge
what is kirchoff’s first law?
total current entering a junction = total current leaving it
