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What factors affect the strength of an electromagnet?

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by

Colleen Adam

on 16 March 2014

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Transcript of What factors affect the strength of an electromagnet?

Electromagnets
The factors that affect the strength of an electromagnet are:
Number of coils of wire

Number/voltage of batteries

Properties of the core
Number/voltage of batteries
By using a battery with a greater voltage the strength is increased.

You can also add more batteries to a series circuit to increase the strength.



What factors affect the strength of an electromagnet?
Electromagnets
By increasing the number of coils of wire around an object can increase the strength of the electromagnet.
Note the amount of coils.
Copy notes first then click the circle to watch the video.
Properties of the core
An iron core will produce the strongest magnet.

By increasing the size of the core you also increase the strength of the electromagnet.
Compare the diagrams
Note: Look at the amount of coils, the size and number of the power source.
Start Here
A
B
C
Which diagram has the strongest electromagnet?
Full transcript