WorksheetsPhy Sci 9t
Total questions: 35
Worksheet time: 18mins
Electricity is the flow of ________.
Protons
Electrons
Neutrons
Photons
A circuit that has two or more separate branches for a current is a ________.
Parallel Circuit
Series Circuit
Circuit diagram
Electron circuit
A circuit that only allows one path for the current is called a ________.
Series current
Parallel current
Parallel circuit
Series circuit
The potential difference that causes electrons to flow is also known as ________. This is also the work the charge can do.
Current
Resistance
Amps
Voltage
A static discharge differs from an electric current in that a static discharge ________.
Is a flow of electrons
Lasts for only a fraction of a second
Results because a force is exerted on an electron
Involves the movement of ions as well as electrons
Resistance is measured in a unit called the ________.
Ampere
Ohm
Volt
Coulomb
Electric charge that has accumulated on an object is referred to as ________.
Current electricity
Circuit electricity
Static electricity
Current circuit
When a voltage of 120 V is impressed across an electric heater, a current of 10.0 amps will flow through the heater if the resistance is _______ Ω.
1200
12
.083
120
A material through which electrons do not move easily is a(n) _______.
Transformer
Insulator
Conductor
Fuse
Which of the following statements is true?
Electrons move from areas of low voltage to high voltage
Electrons move from areas of high voltage to low voltage
Electrons move from areas of low pressure to high pressure
Electrons move from areas of high pressure to area of low pressure
A flashlight that is powered by 3 Volts and uses a bulb with a resistance of 60 Ω will have a current of _______ Amps.
180
20
.05
.5
Houses are wired in ___________ so that the appliances can be operated independently of one another.
Parallel
Series
Order
Sequence
If there is electricity running through a wire, why don’t we get shocked when we touch the wire?
The wire is coated with a conductor
The wire is coated with a metal
The wire is coated with an electrolyte
The wire is coated with an insulator
Which of the following is an example of charging by induction?
Blowing the balloon up
Rubbing the balloon against his hair
Placing the balloon near the wall
Popping the balloon with a pin
Which of the following is an insulator?
Copper
Silver
Glass
Salt Water
An electrical device with a resistance of 3.0 Ω will allow a current of 4.0 amps to flow through it if a voltage drop of _______ Volts is impressed across the device.
12
1
1.33
.75
If there are two lights on a 6 Volt battery and the voltage is increased to 9 Volts, the lights will ________________.
become brighter
become dimmer
go out
remain the same brightness
Current that does NOT reverse in direction is called ______________.
Direct current
Alternating current
Magnetic current
Circuit current
Batteries are made of a combination of ________.
Electrolytes
Insulators
Circuits
Cells
Current that reverses direction in a regular pattern is called ________.
Direct current
Alternating current
Magnetic current
Circuit current
Look at the picture below and use Ohm's Law to solve for the current of the circuit if the light has 2 Ω of resistance.
2 amps
12 amps
24 amps
6 amps
A neutral metal bowl is touched by a negatively charged metal rod. During this process, electrons travel from the ________ to the ________, and the bowl becomes ________ charged.
Bowl, rod, positively
Rod, bowl, positively
Bowl, rod, negatively
Rod, bowl, negatively
How do you calculate resistance?
R = V / I
R = V + I
R = V - I
R = V x I
Which word goes in box labeled 1?
proton
electron
neutron
negative
Which word goes in box labeled 5?
positive
negative
neutral/no charge
outside
Which word goes in box labeled 6?
proton
electron
neutron
negative
Which word goes in box labeled 8?
proton
idk
outside the nucleus
nucleus
Is this a series or parallel circuit, and what is the overall resistance?
Series, 15 ohms
Series, 60 ohms
Parallel, 15 ohms
Parallel, 60 ohms
Which type of circuit is this?
series
parallel
idk
I should study more
If S1 and S3 are down (turned on)-- which lights will be on?
A
B
Both
None
What is the total resistance of this circuit if Resistor A= 3 ohms and Resistor B= 4 ohms
7 ohms
1 ohm
12 ohms
-1 ohm
What is the correct symbol and unit for voltage?
V, volts
V, amps
I, volts
R, ohms
What is the correct symbol and unit for current?
I, volts
I, amps
R, ohms
C, apms
What is the correct symbol and unit for resistance?
R, ohms
R, amps
I, ohms
I, volts
Which arrow is closest to the battery on this circuit?
Top arrow
Bottom arrow
Left arrow
Right arrow
