20pts
1. A device that converts mechanical energy into electrical energy.
A. Motor B. Rotor C. Generator
D. Detector
2. A device that converts electrical energy into mechanical energy.
A. Motor B. Rotor C. Generator
D. Detector
3. Washing machines, ceiling fans and electric drills are just some of the many examples of
this device.
A. Rotor B. Motor C. Generator
D. Detector
4. What transformation can take place in an improvised generator?
A. mechanical energy into electrical energy
B. electrical energy into mechanical energy
C. alternating current into direct current
D. direct current into alternating current
5. The refrigerator has become in demand in this time of pandemic because people tend to
stock food and stay at home as number one precautionary measure to protect themselves
against Covid-19. What do you call the device that converts electrical energy into
mechanical energy to make these appliances work?
A. Electric Motor B. Electric Generator
C. Electric Current D. Electric Device
1. A device that converts mechanical energy into electrical energy.
A. Motor B. Rotor C. Generator
D. Detector
2. A device that converts electrical energy into mechanical energy.
A. Motor B. Rotor C. Generator
D. Detector
3. Washing machines, ceiling fans and electric drills are just some of the many examples of
this device.
A. Rotor B. Motor C. Generator
D. Detector
4. What transformation can take place in an improvised generator?
A. mechanical energy into electrical energy
B. electrical energy into mechanical energy
C. alternating current into direct current
D. direct current into alternating current
5. The refrigerator has become in demand in this time of pandemic because people tend to
stock food and stay at home as number one precautionary measure to protect themselves
against Covid-19. What do you call the device that converts electrical energy into
mechanical energy to make these appliances work?
A. Electric Motor B. Electric Generator
C. Electric Current D. Electric Device
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Answers & Comments
Answer:
1. C
2. A
3. B
4. A
5. A
Explanation:
1. An electric generator is a device that converts a form of energy into electricity.
2. An electric motor converts electrical energy into mechanical energy. A generator converts mechanical energy into electrical energy.
3. When using a washing machine, the electrical energy is converted in to mechanical energy. This mechanical energy is used to produce heat by rotating fast. Hence, When washing machine is used, Electrical energy to Mechanical energy.
4. In a improvised generator, mechanical energy is converted into electrical energy.
5. Self-contained devices that convert electrical, chemical, or nuclear energy into mechanical energy are called motors and engines.