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Mini-Quiz: Detection of a Magnetic Field

by Ron Kurtus (revised 23 March 2012)

Take this Mini-Quiz to check your understanding of the lesson material.

1. How does a compass aid in navigation?

It detects the Earth's North magnetic pole

It detects the number of gauss from the Earth

It is only used to detect large magnets

2. What can iron filings show?

Which direction is north

If there is a compass nearby

The pattern of a magnetic field

3. What does a gaussmeter measure?

North or south

The number of gauss from a source

The number of magnets in the area

If you got all three correct, you are on your way to becoming a Champion in Physics. If you had problems, you had better look over the material again.

Do good work

Resources and references

Ron Kurtus' Credentials


How Compasses Work

Build your own Gaussmeter - At-home instructions

Low-cost Gaussmeter - Not that cheap, but you can see information about a gaussmeter

Magnetism Resources


Top-rated books on Magnetism

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