Worksheetsmaglev trains and electromagnets
Total questions: 20
Worksheet time: 10mins
Electromagnets are
permanent magnets.
activated by electricity.
magnetised within strong magnetic fields.
This is an example of an
electromagnet
circuit breaker
staticmagnet
batterymagnet
In transport,................. trains use magnetic levitation to move without touching the ground.
Maglev
Steam
Electrical
When did the vision of MagLev begin?
early 20th century
late 20th century
1940
1981
How does a MagLev train work?
Powered by coal
Powered by steam
Levitates from the same magnet poles
Levitates from opposite magnet poles
What are the advantages of a MagLev train over a traditional train?
Faster
Quieter
Louder
Slower
What are the disadvantages of the MagLev train compared to a traditional train?
The noise
Startup cost
Energy Consumption
Speed
Where was the first Maglev train built?
China
Germany
America
Japan
What speed does a Maglev train travel on average while carrying passengers?
268 mph
862 mph
125 mph
187 mph
What is the fastest type of train in the world?
Conventional
Freight
Maglev
Steam
When _______________ travels through a
conductor, a magnetic field is created
current
a magnetic field
neutrons
Electric currents produce _____________
electron clouds
magnetic fields
sound waves
In magnets and electromagnets, similar poles attract
true
false
In magnets and electromagnets, dissimilar (opposite) poles attract
true
false
The object inside a radio that makes a speaker work is called a(n) ______________________
electromagnet
permanent magnet
electron cloud
Electrons which collect at the negative end of the battery, can flow to the positive end through a ___________________
wire
electron cloud
magnet
A magnet is defined as
the force between two opposite poles
any material that has a magnetic field
the electron cloud surrounding an object
How can the strength of an electromagnet be increased? (mark all that apply)
increase the current flowing through the coil
increase the number of coils
add an amplifier to it
put iron core inside the coil
