Electrical Generators

Motor or Generator?

• Motor

  Input: electrical

  Output: mechanical

• Generator

  Input: mechanical

  Output: electrical

• Motor

  Input: mechanical

  Output: electrical

• Generator

  Input: electrical

  Output: mechanical

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

Motor or Generator?

• Motor

  Input: electrical

  Output: mechanical

• Generator

  Input: electrical

  Output: mechanical

• Motor

  Input: mechanical

  Output: electrical

• Generator

  Input: mechanical

  Output: electrical

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

Motor or Generator?

• Motor: converts electrical energy into mechanical energy

• Generator: converts mechanical energy into electrical energy

• Generator: converts electrical energy into mechanical energy

• Motor:

  converts mechanical energy into electrical energy

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-3

Motor or Generator?

• Motor: mechanical energy that turns the solenoid is converted to electrical energy in the lightbulb

• Generator: mechanical energy that turns the solenoid is converted to electrical energy in the lightbulb

• Motor: electrical energy from the lightbulb is converted to mechanical energy in the solenoid

• Generator: electrical energy from the lightbulb is converted to mechanical energy in the solenoid.

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

What is the energy input for this device?

• Mechanical: from the battery attached to the lightbulb.

• Electrical: from the lightbulb attached to the generator.

• Mechanical: from the wrapped string pulled by the hand

• Electrical: from the turbine to the iron core.

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2

NGSS.HS-PS3-3

Motor or Generator?

• Motor: converts mechanical energy into electrical energy

• Generator: converts electrical energy into mechanical energy

• Motor:

  converts electrical energy into mechanical energy

• Generator:

  converts mechanical energy into electrical energy

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-3

NGSS.HS-PS3-5

Motor or Generator?

• Motor

  Input: mechanical

  Output: electrical

• Generator

  Input: mechanical

  Output: electrical

• Motor:

  Input: electrical

  Output: mechanical

• Generator

  Input: electrical

  Output: mechanical

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-3

NGSS.HS-PS3-5

How many types of magnets are in this diagram?

• Two: an electromagnet and a permanent magnet

• Three: a lightbulb, a solenoid, and a permanent magnet

• One: a permanent magnet

• One: an electromagnet

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

What is the primary function of an electrical generator?

• Convert electrical energy into mechanical energy

• Convert mechanical energy into electrical energy

• Store electrical energy

• Distribute electrical energy

Tags

NGSS.HS-PS3-3

Which of the following components is essential for the operation of an electrical generator?

• Capacitor

• Resistor

• Inductor

• Rotor