Block 4 E&M Retake

What is created when a magnet moves through a coil of wire?

• A. an electromagnet
• B. a ferromagnet
• C. a solenoid
• D. an electric current

Tags

NGSS.HS-PS2-5

A device that converts electrical energy into kinetic energy

• A. electromagnet
• B. electromagnetic induction
• C. electric motor
• D. electromagnetism

Magnetic fields are created by moving _______.

• Atoms
• Protons
• Electric Charges
• Metals

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

Electricity is the flow of ____________.

• Protons
• Neutrons
• Electrons

Tags

NGSS.MS-PS2-3

This picture is an example of a ___________

• Step- Up Transformer
• Step- Down Transformer
• Motor
• Generator

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-3

What voltage is needed to cause a 2A current flow through a 10Ω resistor?

• 5V

• 0.2V

• 20V

• 200V

If the battery produced 12.6 Volts and what would be the current flow be for a 6 Ohm resistor

• 2.1 Amps

• 2.4 Amps

• 1.71 Amps

• 15 Amps

What charge does a proton have?

• negative (-)
• positive (+)
• neutral or no charge (0)

Tags

NGSS.HS-PS2-4

What charge does an electron have?

• negative (-)
• positive (+)
• neutral or no charge (0)

Tags

NGSS.HS-PS2-4

According to this law, the current in a circuit equals the voltage difference divided by the resistance. 

• Law of Conservation of Energy 
• Ohm's Law 
• Law of Conservation of Charges
• Newton's First Law