4.2 Mastery Check

What is the net movement of electric charge in a single direction called?

• Voltage

• Resistance

• Electric Current

• Power

In what unit is electric current measured?

• Volts

• Ohms

• Amperes

• Watts

What is the term for the push that causes charge to move?

• Current

• Resistance

• Voltage Difference

• Power

Tags

NGSS.HS-PS3-5

Where does charge flow from and to, according to the concept of voltage difference?

• Low voltage to high voltage

• High voltage to low voltage

• Low current to high current

• High resistance to low resistance

Why is a circuit necessary?

• To store electric charge

• To generate electric charge

• To allow electric charge to move

• To stop electric charge from moving

What is a key part of a circuit that is necessary for its function?

• Resistor

• Battery

• Capacitor

• Inductor

What happens when the terminals of a battery are connected?

• The battery charges

• An electrical current flows through the conductor

• The battery discharges

• The voltage difference disappears

Tags

NGSS.MS-PS3-5

Which type of material has more resistance?

• Conductors

• Insulators

• Semiconductors

• Superconductors

What is the effect of using a conductor instead of an insulator on resistance?

• Increases resistance

• Decreases resistance

• No effect on resistance

• Eliminates resistance

Which factor is directly related to the resistance of a wire?

• Color of the wire

• Length of the wire

• Shape of the wire

• Weight of the wire