Magnetism

The force a magnet eserts on another magnet, on iron or a similar metal, or on moving charges

• electric force

• magnetic force

• proportional to charge of the magnet

• proportional to the mass of the magnet

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NGSS.HS-PS2-5

NGSS.HS-PS3-5

Which of the following statements describes the interaction between magnetic poles?

• like poles attract each other

• like poles repel each other, opposite poles attract each other

• opposite poles repel each other

• like poles attract each other, opposite poles repel each other

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NGSS.HS-PS3-5

What is true of the area surround Earth's magnetic poles?

• They are located at Earth's geographic poles

• They are the areas where Earth's magnetic field is weakest

• They are the areas where Earth's magnetic field is strongest

• Earth has four magnetic poles

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NGSS.HS-PS2-5

What creates a magnetic field?

• charged particles that do not move

• moving electric charges

• gravity

• an isolated magnetic pole

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NGSS.HS-PS2-5

A coil of wire that is carrying a current and produces a magnetic field is

• galvanometer

• solenoid

• magnetic domain

• electric motor

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

How are step up transformers used in the transmission of electrical energy?

• They increase the voltage and the current for a home

• they decrease the voltage before it leaves a power plant

• they increase the voltage for efficient long distance transmission

• they decrease the voltage before it enters a home

The device that measures the current in a wire by using the deflections of an electromagnet in an external magnetic field is

• galvanometer

• solenoid

• motor

• loudspeaker

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

The process of generating an electric current by moving an electrical conductor relative to a magnetic field is

• magnetization

• electromagnetic force

• electromagnetic induction

• alternating current

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NGSS.HS-PS2-5

NGSS.HS-PS3-5

An electromagnet which turns an axle

• galvanometer

• solenoid

• generator

• motor

Tags

NGSS.HS-PS2-5

has an iron core with a coil of current carrying wire surrounding it

• galvanometer

• loudspeaker

• motor

• electromagnet

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5