Eletric and magnetic forces

How do you increase strength of electromagnets?

• Decrease number of loops of wire

• Increase number of loops of wire

• Increase voltage or currents

• Decrease voltage or currents

Select ALL rules of magnetic attraction

• opposite poles attract

• like poles repel

• opposite poles repel

• like poles attract

Tags

NGSS.MS-PS2-3

How could I increase the strength of my electromagnet?

• Smaller battery

• Smaller paper clips

• More loops of copper wire

• Larger Nail

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NGSS.MS-ETS1-2

A temporary magnet with a magnetic field produced by electric current.

• electromagnetic

• magnetic strength

• electric charge

• shock

Tags

NGSS.MS-PS2-3

Magnetic fields are created by _______ electric charges.

• only positive
• only negative
• moving
• static

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What are the two types of charges?

• Postive and Negative

• Positve and Nothing

• Negative

• Postive

Electric forces create Electric Charges.

• True

• False

Tags

NGSS.MS-PS2-3

The greater the charge the _______ the field.

• Stronger

• Greater

• Weaker

• Less

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NGSS.MS-PS2-3

The area around an electric charge that experiences the force exerted by the electric

charge.

• Electric Field

• Electric Force

• Electric Poles

• Electric charge

Tags

NGSS.MS-PS2-5

Given the definition, select the correct vocabulary word: a property of certain kinds of materials that causes them to attract ion or steel

• net force

• magnetism

• gravitational field

• magnetic field

Tags

NGSS.MS-PS2-5