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What does a voltage drop across a fuse under load suggest when diagnosing a circuit?

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Correct Incorrect Detecting a voltage drop across a fuse indicates it may be deteriorating and could fail if not replaced.

What does a voltage drop across a fuse under load suggest when diagnosing a circuit?

• Fuse is open
• Normal fuse operation
• Fuse has significant internal resistance indicating wear
• Excessive current is flowing