Practice Power Transmission (D.4.6) - Theme D: Fields

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8 questions

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Exercise
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6 sample questions

Question 1.
What is the primary purpose of a transformer?
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Think about electricity and how it travels over distances.
Question 2.
Why is high voltage used in power transmission?
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Consider what happens to energy when it travels through wires.
3Question 3.
What is the main function of a transformer?
- To generate electricity
- To change voltage levels
- To store electricity
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Think of what role a transformer plays between power plants and consumers.
4Question 4.
High voltage transmission is used to ____ energy losses.
- True
- False
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Consider the relationship between voltage and current.
Question 5.
In a city, a transformer steps up the voltage from 10kV to 100kV. If the current on the primary side is 100A, what is the current on the secondary side?
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Consider the power conservation principle in transformers.
Question 6.
Discuss the implications of incorrect transformer design in a power transmission network. What would happen to energy efficiency?
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Think about the balance between voltage and current and how it affects power loss.

4 more questions in this section. Enroll free to practise them all.