Math
V=?
R=17 Ω
I=4 A
68 V
What is the unit of voltage?
Volts [V]
A path for electrical flow.
Circuit
If my computer is running at a maximum 200V and has a resistance of 40 Ω, what is its current?
5 A
A circuit has a current of 2 A and a resistance of 5 Ω. What is the voltage?
10 V
V=56 V
R=7 Ω
I=?
8 A
What is the unit of current?
Ampere or Amp [A]
The rate of flow of electric charge.
Current
My toaster has a voltage of 609 V and a current of 43 A, what is its resistance?
My toaster has a resistance of 14.16 Ω.
If a circuit has a voltage of 24 V and a current of 6 A, what is the resistance?
4 Ω
V=38 V
R=?
I=14 A
2.71 Ω
What is the unit of resistance?
Ohm [Ω]
charge can be transferred from object to object, but cannot be created or destroyed
law of conservation of charge
My house has a resistance of 93 Ω and an amperage of 48 A, what is its voltage?
Its voltage is 4464 V.
What is the current in a circuit with a voltage of 15 V and a resistance of 5 Ω?
3 A
V=7 V
R=6 Ω
I=?
1.17 A
As voltage increases, electric current _____________
increases
The opposition to current flow.
Resistance
A bell has a current of 1000 A and a resistance of 3 Ω what is its voltage?
3000 V
If a circuit has a current of 4 A and a resistance of 8 Ω, what is the voltage?
32 V
V=48 V
R=?
I=6 A
8 Ω
As resistance increases, electric current ____________
decreases
material in which electrons are not able to move easily
insulator
Your dryer runs on 240 V. If it draws 28 amps, how much resistance does it have?
8.57 Ω
What is the resistance in a circuit with a voltage of 30 V and a current of 5 A?
6 Ω