Electric Heat

a material that allows heat or electrical energy to easily pass through it

• circuit

• conductor

• generator

• insulator

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

a material used to reduce or prevent the transfer of electricity, heat, or sound

• circuit

• conductor

• generator

• insulator

Tags

NGSS.MS-PS3-3

What is the primary function of an electric heater?

• To convert electrical energy into heat energy

• To convert heat energy into electrical energy

• To store electrical energy

• To store heat energy

Which of the following materials is commonly used as a heating element in electric heaters?

• Copper

• Aluminum

• Nichrome

• Plastic

Tags

NGSS.MS-PS3-3

What is the unit of electrical resistance, which affects the heat produced in an electric heater?

• Volt

• Ampere

• Ohm

• Watt

In an electric heater, what role does the thermostat play?

• It generates heat

• It converts electricity to heat

• It regulates temperature

• It stores heat

Tags

NGSS.MS-PS1-4

Which of the following is a safety feature commonly found in electric heaters?

• Overheat protection

• Automatic voltage regulation

• Surge protection

• Battery backup

Tags

NGSS.MS-PS3-3

What is the relationship between current and heat produced in an electric heater, according to Joule's Law?

• Heat is inversely proportional to current

• Heat is directly proportional to the square of the current

• Heat is directly proportional to current

• Heat is independent of current

Which of the following is a disadvantage of using electric heaters?

• High efficiency

• Low cost

• Quick heating

• High energy consumption

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

What type of energy transformation occurs in an electric heater?

• Mechanical to electrical

• Chemical to electrical

• Electrical to thermal

• Thermal to electrical