Formulas
In the formula I=Q/t
current and time are ___________ proportional.
Inversely
What term is used for the rate at which charge flows through a conductor?
Electric current
parallel
What must a circuit have for current to flow?
A closed conducting path
The unit for work
Joules
In Ohm's law, R= I/V
resistance and current are ___________ proportional.
Directly
What physical thing moves in a circuit?
Electron
What is the relationship of current in a series circuit?
It is the same throughout
Ammeters measure __________ and are connected in ___________.
current, series
This unit measures acceleration.
Meters per second squared
In the formula R= (rho*L)/A ,
if area is halved, the resistance would _________.
Double
Watt is resistance?
the opposition to the flow of electric current?
In a parallel circuit, how does the voltage across each branch compare?
V_{eq} = V_1 = V_2 =V_3 \cdots
Voltmeters measure ___________ and are connected in ___________.
voltage, potential
parallel
Mass times velocity
Momentum
What unit is equal to volt*ampere?
Watt
Short circuits can cause what?
Start fires, melt wire insulation
what is the equation for equivalent resistance in series?
R_{eq}=R_1+R_2+R_3+ \cdots
"The sum of the changes in potential around any closed path of a circuit must be zero."
Loop rule/Kirchhoff's 2nd rule
What is the first Newton's law?
Inertia (an object remains in movement or position until another force act over the object)
What are the 3 formulas for electrical power using voltage and current and resistance?
P=IV=\frac{V^2}{R}=I^2R
What happens when you touch a live wire with your palm forward?
muscles contract from electricity and closes fist around wire
How is total resistance calculated in a parallel circuit?
1/{R_{eq}} = 1/{R_1} + 1/{R_2} + \cdots
"The sum of the currents entering the junction must equal the sum of the currents leaving it."
Junction rule/Kirchhoff's 1st rule
Kind of motion that mixes vertical and horizontal motion
Projectile Motion