Generators

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

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

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-PS3-3

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-PS3-3

NGSS.HS-PS3-5

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

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-PS2-5

NGSS.HS-PS3-3

Which of these pairs of devices operate in reverse of each other?

• generator and motor

• generator and electromagnet

• motor and electromagnet

• electromagnet and resistor

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-3

What do you call a device that converts mechanical movement into electricity?

• electric field

• electric motor

• electric generator

• electric plasma

Tags

NGSS.HS-PS3-3

What must the student do in the picture, in order to induce electricity and move the the galvonometer

• nothing

• move the magnet

• add more loops of wire

• unplug the galvnonmeter

Tags

NGSS.HS-PS2-5

Which of the following components is essential for a generator to produce electricity?

• A) Rotor

• B) Stator

• C) Commutator

• D) Armature

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-3

NGSS.HS-PS3-5