Test one definitions Flashcards
Current
Movement of charge per unit time
voltage
The difference in electrical potential
Resistance
The opposition to the passage of an electrical current through a medium
Capacitance
The amount of electrical potential energy stored (or separated) for a given electric potential.
Electricity depends on the flow of?
Charged particles (ions)
Charge is measured in?
Coulombs (C) where the charge on a single proton, the elementary charge is qe= 1.6 * 10^-19 C
Current is defined as?
The movement of charge in a given period of time.
The units of current are amperes (A) where 1A is?
The flow of 1 C per second
The size or amplitude of current is determined by 2 factors, what are they?
-The potential difference between the electrodes -The electrical conductance of the medium between them.
Electrical Potential is?
The amount of potential energy per unit of charge at given location.
Potential difference is?
The difference in potential between 2 locations.
The units of potentials difference are?
Voltage (V)
Conductance and units of conductance
Is the ease of flow of current between two points Siemens (S)
Resistance and unit of measurement.
Is the inverse of conductance and is measure in ohms (Ω).
which hydrated atom would liekly be the largest in water?
A. LI
B. Be
C. B
D. Al
C. B
