Electricity & Magnetism

Front

What is a magnetic domain?

Back

A group of atoms in a magnetic material in which the magnetic poles of the atoms are aligned in the same direction.

Front

What is static electricity?

Back

The buildup of charges on an object.

Front

What causes two balloons to attract to each other?

Back

One negative charge and one positive charge.

Front

Which material would be used to design a circuit with the least amount of resistance?

Back

Short wires with a large diameter.

Front

Where does electric current come from?

Back

The motion of electrons.

Front

What is magnetism?

Back

A force that can attract or repel certain materials, typically associated with magnets.

Front

What is an electromagnet?

Back

A type of magnet in which the magnetic field is produced by an electric current.

Front

What is resistance in an electrical circuit?

Back

The opposition to the flow of electric current, measured in ohms.

Front

What is the unit of electric current?

Back

Ampere (A).

Front

What is Ohm's Law?

Back

The relationship between voltage (V), current (I), and resistance (R) in a circuit: V = I × R.