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WorksheetsIPC Electricity & Magnetism Review
Total questions: 19
Worksheet time: 10mins
All matter around us has ___________ because atoms are made of electrons and protons.
more force
less gravity
electric charge
neutrons
_________ charges attract.
Similar
Opposite
_________ charges repel.
Similar
Opposite
Lightning is caused by a giant buildup of _________.
net forces
static charge
solar energy
mechanical energy
Which type of magnets keep their magnetic properties?
Permanent magnets
Temporary magnets
Both permanent and temporary
None of the above
Magnetic fields are caused by —
dizzy atoms
spinning electrons
protons
neutrons
Planet Earth has a magnetic field that comes from —
gravity
Mars
the molten iron core
satellites in space
_________ are magnets that are created when there is electric current flowing in a wire.
Electromagnets
Magic magnets
Potential magnets
Chemical energy
Examples of objects that contain electromagnets include —
doorbells
toasters
blenders
all of the above
How can you increase the temporary magnet strength in a simple electromagnet?
add more batteries
wrap the wire more times around the nail
both of these are correct
What causes electric current?
static electric charge
moving electric charge
electric shock
metal objects
Where does electric current come from?
motion of protons
motion of neutrons
motion of electrons
motion of cations
What is the name of a complete path through which electric current travels?
power conductors
high voltage lines
electric circuit
battery cells
What is the name of the circuit in which current can only take one path?
series circuit
parallel circuit
What is the name of the circuit in which current can take multiple paths?
series circuit
parallel circuit
Current only flows when there is a complete and unbroken path, or a(n)
open circuit
closed circuit
magnetic circuit
broken circuit
In a parallel circuit, what happens to the brightness of the bulbs when more bulbs are added?
brightness remains the same
the bulbs appear brighter
the brightness decreases
the bulb burns out
In a series circuit, what happens to the brightness of the bulbs when more bulbs are added?
brightness remains the same
the bulbs appear brighter
the brightness decreases
the bulb burns out
Which of the following is the formula for voltage?
V = I × R
V = I + R
V = D × T
V = I / R
