Electromagnetic Induction IGCSE

 If a magnet is pushed into a coil, voltage is induced across the coil. If the same magnet is pushed
into a coil with twice the number of loops,

• a. one-half as much voltage is induced.
• b. the same voltage is induced.
• c. twice as much voltage is induced.
• d. four times as much voltage is induced.

Tags

NGSS.HS-PS2-5

A generator is used to light a bulb.  Energy for lighting the bulb actually comes from a

• coil or wire
• mechanical intput to the generator
• magnet in the generator
• plug where the generator is connected to the wall

Tags

NGSS.HS-PS3-3

As electrons move, they make

• A. electromagnetism.
• B. auroras.
• C. ferromagnetism.
• D. magnetic fields.

Tags

NGSS.HS-PS2-5

A device that converts electrical energy into mechanical energy

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

Tags

NGSS.HS-PS3-3

A device that converts mechanical energy into electrical energy

• A. electric generator
• B. electric motor
• C. electromagnetic induction
• D. mechanical  generator

Tags

NGSS.HS-PS3-3

The process of creating a current in a circuit by changing a magnetic field

• A. electric generator
• B. electric motor
• C. electromagnetic induction
• D. magnet

Tags

NGSS.HS-PS2-5

What kind of magnet can be turned on and off?

• refrigerator magnet
• electromagnet
• magnetite
• iron

Tags

NGSS.HS-PS2-5

If you wrap more coils around an electromagnet, it will become 

• brighter
• stronger
• weaker
• invisible

Tags

NGSS.HS-PS2-5

What is inside a toy car that turns the wheels?

• generator
• electric motor
• electromagnet

Tags

NGSS.HS-PS3-3

A magnet can move in a coil of wire to produce electricity in which system?

• Generator
• Motor
• Magnet
• Transformer

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5