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What is the primary function of a transformer in a power system?

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Question: What is the primary function of a transformer in a power system?

Options:

  1. To convert AC to DC
  2. To step up or step down voltage levels
  3. To store electrical energy
  4. To measure electrical parameters

Correct Answer: To step up or step down voltage levels

Solution: 

Transformers are used to change the voltage levels in power systems, either stepping up or stepping down the voltage for efficient transmission and distribution.

What is the primary function of a transformer in a power system?

Practice Questions

Q1
What is the primary function of a transformer in a power system?
  1. To convert AC to DC
  2. To step up or step down voltage levels
  3. To store electrical energy
  4. To measure electrical parameters

Questions & Step-by-Step Solutions

What is the primary function of a transformer in a power system?
  • Step 1: Understand that a transformer is a device used in power systems.
  • Step 2: Know that the main job of a transformer is to change voltage levels.
  • Step 3: Learn that 'stepping up' means increasing the voltage for long-distance transmission.
  • Step 4: Understand that 'stepping down' means decreasing the voltage for safe distribution to homes and businesses.
  • Step 5: Remember that changing voltage levels helps to transmit electricity more efficiently.
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