Physics
Grade-9
Easy
Question
What do fuel cells, batteries and solar cells have in common?
- They all produce electricity
- They are used to create magnetic field
- They are all cheap in price
- They all can be used to power automobiles
Hint:
Fuel cells, batteries, and solar cells are used to produce electricity.
The correct answer is: They all produce electricity
Fuel cell, batteries, and solar cells- all produce electricity.
- The electricity can be produced by the separation of charges or using magnets.
- The sources of electricity include the sun, wind, geothermal energy, etc.
- The fuel cell, batteries, and solar cells all are used to generate electricity.
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