A fuse uses a type of link encapsulated in a tube with compacted silica sand and connected to contact terminals. Which type of link is used?

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Multiple Choice

A fuse uses a type of link encapsulated in a tube with compacted silica sand and connected to contact terminals. Which type of link is used?

Explanation:
The key idea is that a fuse protects a circuit by using a fusible link that melts open when current is too high. In a cartridge-style fuse, this link is a thin conductor encased in a tube and surrounded by compacted silica sand, which helps absorb heat and quench the arc when the link melts, safely interrupting the current. The term fusible describes a component designed to fuse open under overload conditions. This is different from a filament, which is a heated wire used in lighting, or from terms describing a material’s malleability or unrelated device names. So the described fuse uses a fusible link.

The key idea is that a fuse protects a circuit by using a fusible link that melts open when current is too high. In a cartridge-style fuse, this link is a thin conductor encased in a tube and surrounded by compacted silica sand, which helps absorb heat and quench the arc when the link melts, safely interrupting the current. The term fusible describes a component designed to fuse open under overload conditions. This is different from a filament, which is a heated wire used in lighting, or from terms describing a material’s malleability or unrelated device names. So the described fuse uses a fusible link.

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