Electricity and Magnetism Test Review

Front

Magnetism is a type of ____________

Back

force

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

Front

What does the diagram show about electric charge?

Back

Charges that are the opposite attract each other.

Tags

NGSS.HS-PS2-4

Front

What's the UNIT for current?

Back

Amps (A)

Front

Voltage can be induced in a wire by: a. moving the wire near a magnet, b. moving a magnet near the wire, c. changing the current in a nearby wire, d. all of these

Back

d. all of these

Tags

NGSS.HS-PS2-5

Front

If the current in a wire is 2.0 amperes and the potential difference across the wire is 10 volts, what is the resistance of the wire?

Back

5 ohms

Front

What is the formula for Ohm's Law?

Back

V = I × R (Voltage = Current × Resistance)

Front

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

Back

Ohm's Law states that voltage is directly proportional to current and resistance.

Front

What happens to the magnetic field when electric current flows through a wire?

Back

A magnetic field is created around the wire.

Tags

NGSS.HS-PS2-5

Front

What is the effect of increasing the current in a circuit?

Back

Increasing the current increases the magnetic field strength.

Tags

NGSS.HS-PS2-5

Front

What is the unit of measurement for voltage?

Back

Volts (V)