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Worksheetselectromagnet
Total questions: 23
Worksheet time: 20mins
A type of magnet that has temporary magnetic effect when electric current flows through it.
This refer to
Electric
Electronic
Electrostatic
Electromagnet
The pattern of magnetic field produced is not affected by the direction of the current that flows in the conductor.
True
False
In straight wire conductor, magnetic field produced is circle shape.
True
False
To determine magnetic field direction around straight wire conductor we used
Right hand grip rule
Left hand grip rule
Magnetic field near to the wire is stronger.
True
False
Direction of current in the wire is
Upwards
Downwards
Thumb shows the direction of
Magnetic field
Current
What is pole X and Y?
X : North
Y : South
X : South
Y : North
Pole of X and Y is
X : South
Y : North
X : North
Y : South
When _______________ travels through a
conductor, a magnetic field is created
current
a magnetic field
neutrons
Which of the following does not influence the strentgh of electromagnet?
Number of turns of wire
Magnitude of current flow in the wire
Type of core
Material used for insulator of the wire
Diagram above shows the apparatus used to study the effect of an electromagnet. Which change will increase the number of paper clips attracted to the iron rod?
Use a thinner wire to form the coils
Use a non-insulated wire to form the coils
Reduce the number of coils
Increase the magnitude of current
Which electromagnet is stronger?
A
B
Which electromagnet is stronger?
A
B
Which electromagnet is stronger?
A
B
Which electromagnet is stronger?
A
B
Which electromagnet is stronger?
A
B
Which electromagnet will pick up LESS paper clips?
A
B
Which electromagnet will pick up LESS paper clips?
A
B
Which electromagnet will pick up MORE paperclips?
A
B
An electromagnet is temporary magnet made by placing a piece of iron inside a current carrying coil of wire. The more loops of wire, the stronger the magnetic field. The stronger the current, the stronger the magnetic field.
I don't get it.
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