1.Electricity is very important to power up our devices/appliances at home. What
device is used to generate electricity?
Electric Motor
C. Electric Generator
Electric Meter
D. Electric Current

2 Electric bikes are bicycles with motor and generator. Riders propel pedals to
generate electricity and run it. Which of the following statements tells us the disadvantage of
e-bikes?
They are zero-emission vehicles
B В They provide sustainable transportation
They give recreational activity and health benefits
They command a high-pnced and costly maintenance.
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3. Energy transformation is involved in both motor and generator. Which of the following
shows the correct transformation of energy in electric generator?
А. Mechanical Energy to Electrical Energy
B. Electrical Energy to Mechanical Energy
С Mechanical Energy to Chemical Energy
D Chemical Energy to Mechanical Energy

4. What two forces are required for generators and electric motors to work?
A. magnetism and thermal
C. electricity and thermal
B. electricity and magnetism
D. magnetism and radiant

5. While you are busy during your online class, you saw a basket full of laundry and you
thought of bringing them in a laundering establishment. What transformation of energy takes
place in the washing machine's motor?
A А. Electrical to Chemical Energy
C. Mechanical to Electrical Energy
B В. Electrical to Mechanical Energy
D. Mechanical to Chemical Energy

6. Electric motors are machines that transform electric power into mechanical power. Which
of the following corresponds to all non-moving parts of the machine?​