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What is the main purpose of a transformer in a power system?

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Question: What is the main purpose of a transformer in a power system?

Options:

  1. To generate electricity
  2. To convert AC to DC
  3. To step up or step down voltage
  4. To store energy

Correct Answer: To step up or step down voltage

Solution: 

Transformers are used to step up or step down voltage levels in power systems for efficient transmission and distribution.

What is the main purpose of a transformer in a power system?

Practice Questions

Q1
What is the main purpose of a transformer in a power system?
  1. To generate electricity
  2. To convert AC to DC
  3. To step up or step down voltage
  4. To store energy

Questions & Step-by-Step Solutions

What is the main purpose of a transformer in a power system?
  • Step 1: Understand that a transformer is a device used in power systems.
  • Step 2: Know that transformers can change voltage levels.
  • Step 3: Learn that 'step up' means increasing voltage for long-distance transmission.
  • Step 4: Understand that 'step down' means decreasing voltage for safe distribution to homes and businesses.
  • Step 5: Realize that changing voltage levels helps reduce energy loss during transmission.
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