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What does a normally open (NO) switch do?

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Question: What does a normally open (NO) switch do?

Options:

  1. Allows current to flow when closed
  2. Allows current to flow when open
  3. Always allows current to flow
  4. Never allows current to flow

Correct Answer: Allows current to flow when closed

Solution: 

A normally open (NO) switch allows current to flow only when it is closed.

What does a normally open (NO) switch do?

Practice Questions

Q1
What does a normally open (NO) switch do?
  1. Allows current to flow when closed
  2. Allows current to flow when open
  3. Always allows current to flow
  4. Never allows current to flow

Questions & Step-by-Step Solutions

What does a normally open (NO) switch do?
  • Normally Open (NO) Switch – A normally open (NO) switch is a type of switch that does not allow current to flow until it is activated or closed.
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