Numbers
Units
Permanent Magnets
Wires
Moving particles
100

The only integer between 5 and 7.

What is 6?

100

The unit of force.

What is the Newton?

100

There is one of these at each end of a permanent magnet?

What is a magnetic pole?

100

This rule tells us the direction of the magnetic force on a long straight wire.

What is the left-hand rule?

100

A positively charged baryon. Found in the nucleus.

What is a proton?
200

This number is the square root of 400.

What is 20?

200
The SI base units of electric charge.

What are Amp seconds (A s)?

200

Materials, like iron, that can be made into permanent magnets.

What are ferromagnetic materials?

200

If a current flows in a straight wire. The direction of the magnetic field can be found using this rule.

What is the right-hand grip rule?

200

If a charged particle moves through a magnetic field, the direction of the force can be found with this rule.

What is the left-hand rule?

300

These numbers can only be divided by themselves and 1.

What are prime numbers?

300

A unit for magnetic flux density and the name of a 19th century Serbian-American inventor.

What is the Tesla (T)?

300
A region inside a material where all of the magnetic fields are aligned.

What are magnetic domains?

300

This rule tells us the direction of the magnetic field around a coil.

What is the right-hand grip rule?

300

This is the formula for the radius of a charged particle moving in a magnetic field.

What is mv/Bq?

400

These numbers are equal to the sum of their divisors.

What is a perfect number?

400

The units of magnetic flux density, in base SI units.

What are kg s-2 A-1?

400
This is a method for demagnetising a piece of iron.

What is heating?

400

This is the formula for the size of the force on a long straight wire in a magnetic field.

What is F = BILsin(x)?

400

A potential difference, measured transverse to the current through a semiconductor in a magnetic field?

What is the Hall voltage?

500

These numbers are part of a sequence where each term is the sum of the two numbers that preceded it.

What are Fibonacci numbers?

500

These are the SI base units of voltage.

What is kg m2 s-3 A-1?

500

The magnetic field from completely filled electron orbital shells in atoms.

What is zero? / What is 'cancelled out'?

500

The direction of the magnetic force between two wires carrying parallel currents.

What is repel?

500

In this machine, particles are accelerated by an alternating electric field while circulating in a magnetic field.

What is a cyclotron?

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