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WorksheetsCP Physics - Ch 23/24
Total questions: 23
Worksheet time: 35mins
The flow of electric charge that transports energy from one place to another is called
electricity
electric current
power
electric force
Electric power is _______ proportional to electric potential (voltage).
inversely
directly
not
The source of all magnetism is
magnets.
moving magnets.
moving electric charges.
Earth's north pole.
A magnet whose field is produced by an electric current is called a(n)
electromagnet.
iron nail.
compass.
north pole.
Adding a light bulb to a series circuit will _________the current.
increase
decrease
not change
The region of influence around a magnetic pole is called a(n)
magnetic field.
magnetic domain.
magnet.
electric field.
Thicker wires have _________ resistance.
more
less
equal
More info is needed
Thicker wires have _________ resistance.
more
less
equal
More info is needed
Magnetic force is ______________ to magnetic field.
More information is needed.
equal to
parallel
perpendicular
An object will be magnetic if its ________________ are all aligned in the same direction.
magnetic fields
magnetic domains
electrons
charges
An electric circuit in which electrical devices are connected in such a way that the same voltage acts across each one is called a(n)
series circuit
parallel circuit
voltage circuit
equal circuit
An electric circuit in which electrical devices are connected in such a way that the same current flows through each one is called a(n)
series circuit
parallel circuit
current circuit
equal circuit
When you split a magnet in half, you get two smaller magnets.
TRUE
FALSE
Magnetic force is ____________ to the direction of current flow.
parallel
perpendicular
equal to
More information is needed.
Magnetic force _________ when distance increases.
doesn't change
increases
decreases
doubles
High-speed particles that travel throughout the universe are called
cosmic rays.
light waves.
infrared light.
UV rays.
Clustered regions of aligned magnetic atoms are called
magnetic domains.
magnetic fields.
magnetic poles.
electric charges.
You are experimenting with an electrical circuit. When one light bulb burns out, the rest stay lit. What type of circuit is it?
parallel
series
magical
special
The potential difference between two points is 25 V and the current is 5 A. What is the resistance between the two points?
20 ohms
125 ohms
5 ohms
1 ohm
Which of the following is NOT a magnetic material?
iron
magnetite
aluminum
nickel
When a current-carrying conductor is placed in a magnetic field, it will
experience a magnetic force.
stop carrying current.
not be effected.
Current carries energy through conductors at very high speeds, but the electrons travel at a slower speed called
drift velocity.
electron speed.
speed of light.
slow speed.
Conventional current flows from ______________ to _____________.
positive to negative.
negative to positive.
negative to negative
positive to positive
