WorksheetsCharge, Current, Voltage, Resistance, and Ohm's Law
Total questions: 37
Worksheet time: 8mins
What is charge?
A property of electrons and protons that can cause attraction or repulsion.
A property of electrons and protons that can cause only attraction.
A property of electrons and protons that can cause only repulsion.
The measure of electrical energy
What is the SI unit of charge?
Volt
Ampere
Coulomb
Ohm
Voltage is a measure of:
Electrical resistance
Electrical energy per charge
Electrical power
Electrical current
What is the SI unit of voltage?
Watt
Ampere
Ohm
Volt
Current is defined as:
The potential difference between two points
The amount of charge passing through a point per unit time
The opposition to the flow of electric charge
The measure of electrical energy
What is the SI unit of current?
Volt
Watt
Ampere
Ohm
Resistance is a measure of:
Voltage
Current
Electrical conductivity
Opposition to the flow of electric charge
What is the SI unit of resistance?
Ohm
Coulomb
Ampere
Volt
According to Ohm's Law, what is the relationship between voltage, current, and resistance?
V = IR
I = VR
R = VI
V = I/R
Calculate the current flowing through a resistor with a resistance of 10 ohms and a voltage of 20 volts.
2 A
10 A
0.5 A
20 A
If a circuit has a current of 0.5 A flowing through it and a resistance of 30 ohms, what is the voltage across the circuit?
15 V
60 V
0.02 V
15 Ω
A circuit has a voltage of 12 volts and a current of 2 A flowing through it. What is the resistance of the circuit?
6 ohms
24 ohms
0.5 ohms
14 ohms
Which of the following materials would have the highest electrical resistance?
Copper
Aluminum
Silver
Rubber
What happens to the resistance in a series circuit as more and more resistors are added ?
It increases
It decreases
It stays constant
More info is needed.
In making a plumbing analogy to circuits, the charge is like...
the amount of water
the gallons per second
the pressure
the amount the pipe is clogged
In making a plumbing analogy to circuits, the current is like...
the amount of water
the gallons per second
the pressure
the amount the pipe is clogged
In making a plumbing analogy to circuits, the voltage is like...
the amount of water
the gallons per second
the pressure
the amount the pipe is clogged
In making a plumbing analogy to circuits, the resistance is like...
the amount of water
the gallons per second
the pressure
the amount the pipe is clogged
Technically speaking, the picture doesn't show a battery, it shows a ....
cell
Technically speaking, to be a battery you need..
high voltage
high current
multiple cells together
very long wires
Who INVENTED battery anyway? (He called it a pile.)
Franklin
Volta
Coulomb
Ohm
Ampere
Who first called it a battery anyway?
Franklin
Volta
Coulomb
Ohm
Ampere
Which circuit is a series circuit?
Top
Middle
Bottom
All
None
Which circuit is a parallel circuit?
Top
Middle
Bottom
All
None
Which lightbulbs would be the dimmest?
Top
Middle
Bottom
Top and Middle tied.
Top and Bottom tied.
Which lightbulbs would be the brightest?
Top
Middle
Bottom
Top and Middle tied.
Top and Bottom tied.
Which circuit would have the brightest lights?
Left
Middle
Right
All the same
It depends
Which circuit would have the most current?
Left
Middle
Right
All the same
It depends
Which circuit would have the most resistance?
Left
Middle
Right
All the same
It depends
As more and more bulbs are added in this type of connection, what happens to an individual bulbs brightness?
Increases
Decreases
Stays the same
As more and more bulbs are added in this type of connection, what happens to an individual bulb's current?
Increases
Decreases
Stays the same
As more and more bulbs are added in this type of connection, what happens to the circuits overall current?
Increases
Decreases
Stays the same
As more and more bulbs are added in this type of connection, what happens to the circuits overall resistance?
Increases
Decreases
Stays the same
Imagine you are driving down a toll road. You encounter three different toll booth arrangements. The toll is $3
Left) A single tollbooth collecting your $3
Middle) Three tollbooths in a row, each collecting $1
Right) Three tollbooths, side by side, each collecting the full $3.
Which option will have the fastest traffic flow
Left
Middle
Right
All the same
Imagine you are driving down a toll road. You encounter three different toll booth arrangements. The toll is $3
Left) A single tollbooth collecting your $3
Middle) Three tollbooths in a row, each collecting $1
Right) Three tollbooths, side by side, each collecting the full $3.
Which option will have the slowest traffic flow
Left
Middle
Right
All the same
Imagine you are driving down a toll road. You encounter three different toll booth arrangements. The toll is $3
Left) A single tollbooth collecting your $3
Middle) Three tollbooths in a row, each collecting $1
Right) Three tollbooths, side by side, each collecting the full $3.
Which is like a parallel circuit?
Left
Middle
Right
All the same
Imagine you are driving down a toll road. You encounter three different toll booth arrangements. The toll is $3
Left) A single tollbooth collecting your $3
Middle) Three tollbooths in a row, each collecting $1
Right) Three tollbooths, side by side, each collecting the full $3.
Which is like a series circuit?
Left
Middle
Right
All the same
