Answers Physical ScienceElectricity and Magnetism

Electricity and Magnetism — Test Answers

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Georgia moves an unattached piece of wire back and forth over a magnet. Which best explains what will happen?

A current will not be induced because the wire moves through a magnetic field.

A current will be induced because the wire is not part of a closed circuit.

A current will not be induced because the wire is not part of a closed circuit.

A current will be induced because the wire moves through a magnetic field.

Which statement should she place in the region marked X?

Electrons move between objects.

The objects develop opposite charges.

The objects do not touch.

The objects have the same charge.

Which label belongs in the area marked X?

Solenoid

Magnetic field

Current

Force on wire

Which headings best complete the chart?

X: Use AC Y: Use DC

X: Use DC Y: Use AC

X: Powered by Magnetism Y: Powered by Current

X: Powered by Current Y: Powered by Magnetism

What label should Mateo place in the marked cell?

Uses electrical energy

Measures electric current

Controls electric current

Provides electrical energy

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