REVIEW for Unit 4 Assessment: Electricity & Magnetism

Front

What can be done to make the coil rotate faster?

Back

Add one more battery.

Front

Which of the following exerts gravity?

Back

Any object with mass.

Front

What exists around every object that has mass?

Back

A gravitational field.

Front

The force or push that causes electric charge to move is called _____?

Back

Voltage difference.

Front

What causes a comet to change direction when passing near the Sun?

Back

The Sun's mass.

Front

What is the unit of electric current?

Back

Ampere (A).

Front

What is the relationship between voltage, current, and resistance?

Back

Ohm's Law: V = I × R.

Front

What is a magnetic field?

Back

A region around a magnet where magnetic forces can be detected.

Front

What is static electricity?

Back

An imbalance of electric charges within or on the surface of a material.

Front

What is the difference between conductors and insulators?

Back

Conductors allow electric charge to flow easily; insulators do not.