In addition to short circuits and sustained...

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Question 1 of 205eccefa4bacbc34ba4d482f1

In addition to short circuits and sustained overloads, in what other situation are fuses likely to blow?

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5eccefa4bacbc34ba4d482f1

In addition to short circuits and sustained overloads, in what other situation are fuses likely to blow?

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🔍 Key Concepts

• Causes of excess heat in electrical connections other than too much current through the circuit • The effect of contact resistance (good vs poor mechanical connection) on heating and fuse operation • How mechanical condition of fuse clips/holders can change circuit resistance over time

💭 Think About

• Think about what would happen if the fuse is not held tightly in its holder – how would that affect resistance and heat at the contact point? • Which option would realistically make the fuse less likely to blow, and which would make it more likely by creating a hot spot? • Consider which choice describes a condition that can develop in service due to vibration, corrosion, or wear and would lead to intermittent or poor contact.

✅ Before You Answer

• Identify which choices would increase local resistance and heating at the fuse connection. • Eliminate any choice that would normally make conductors run cooler, not hotter. • Focus on the option that describes a mechanical problem at the fuse holder that can cause arcing or hot spots even when current is normal.

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Question 1 of 205eccefa4bacbc34ba4d482f1

In addition to short circuits and sustained overloads, in what other situation are fuses likely to blow?

Back

Question 1 of 20

5eccefa4bacbc34ba4d482f1

In addition to short circuits and sustained overloads, in what other situation are fuses likely to blow?

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed