EGEE 101 Exam 2 Review Questions and Answers Graded A+
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Course
EGEE 101
Institution
EGEE 101
EGEE 101 Exam 2 Review Questions and
Answers Graded A+
What is the main difference between renewable and non-renewable energy sources?
Renewable energy sources are naturally replenished, while non-renewable energy sources
are finite and cannot be replenished in a short time.
How does the...
EGEE 101 Exam 2 Review Questions and
Answers Graded A+
What is the main difference between renewable and non-renewable energy sources?
✔✔Renewable energy sources are naturally replenished, while non-renewable energy sources
are finite and cannot be replenished in a short time.
How does the process of photosynthesis contribute to energy production in plants?
✔✔Photosynthesis converts solar energy into chemical energy by producing glucose, which
plants use as a source of energy.
What is the role of a transformer in the electricity distribution system?
✔✔A transformer adjusts the voltage of electricity to ensure it can be transmitted efficiently over
long distances and then reduced to a safe level for household use.
How is energy stored in a battery?
✔✔Energy is stored chemically in a battery and is released as electrical energy when the battery
is used to power a device.
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, What is the main advantage of using wind energy over fossil fuels?
✔✔Wind energy is renewable, clean, and does not produce greenhouse gases, unlike fossil fuels.
What is geothermal energy, and how is it used to produce electricity?
✔✔Geothermal energy comes from the heat stored beneath the Earth's surface and is used to
generate electricity by converting the heat to steam, which drives turbines.
How do hydroelectric dams generate electricity?
✔✔Hydroelectric dams use the potential energy of water stored at a height. When the water is
released, its gravitational potential energy is converted into mechanical energy, which is then
converted into electrical energy.
How is energy transformed in a car engine?
✔✔In a car engine, chemical energy from fuel is transformed into mechanical energy to move
the vehicle, and heat energy is produced as a byproduct.
What is the purpose of a solar panel in energy production?
✔✔A solar panel converts solar energy into electrical energy, which can be used to power
devices or stored for later use.
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