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WorksheetsElectricity and Magnetism
Total questions: 15
Worksheet time: 8mins
This device converts mechanical energy into electrical energy. It creates electricity.
Electric Generator
Electric Motor
Electromagnet
Voltmeter
A material that allows the free flow of electric charges.
Conductor
Insulator
Semiconductor
What type of circuit is shown in the picture?
Series circuit
Parallel circuit
Open circuit
The three basic components of a circuit are
load, energy source, magnets
wires, load, solenoid
wires, load, energy source
energy source, iron core, load
In a series circuit, if one device goes out, the other devices
remain on
go out
Describe one way you can make an electromagnet stronger.
Reduce the size of the iron core
Decrease the current
Decrease the energy source
Increase the number of loops in the wire
When an electric current can travel along more than one path, it is traveling in a—
Open circuit
Series circuit
Closed circuit
Parallel circuit
The magnetic field is strongest at
the north pole only
in the middle
at both poles
at the south pole only
Which direction will the electricity travel?
Neutral to positive
Positive to negative
Negative to positive
Neutral to negative
The buildup of charges on an object is called
Current electricity
Static electricity
Electromagnetism
Magnetic field
What type of circuit is shown in the picture?
parallel circuit
open circuit
series circuit
What type of material does not allow electrons to flow easily?
Semiconductor
Conductor
Insulator
Circuit
What is the effect of changing the wire in a circuit from a thick wire to a thin wire?
The overloaded bulb will blow out.
The bulb brightness stays the same.
The bulbs become dimmer.
The bulbs become brighter.
What is a circuit?
The buildup of electric charges
A complete, closed path through which electric charges flow
Opposition to the flow of charge
Electric potential
An iron nail wrapped with copper wire and attached to a battery makes —
Permanent magnet
Electromagnet
Compass
Metal magnet
