What is the function of the cartridge (such as porcelain) encasing the fuse wire?

Question

What is the function of the cartridge (such as porcelain) encasing the fuse wire? — Exam MCQ

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D. To safely contain the melted fuse wire and prevent hazards — The correct choice is To safely contain the melted fuse wire and prevent hazards. It follows from the basic electrical relationship between voltage, current, resistance, charge or electrical energy described in the question.

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A. To act as a heat sink for the fuse

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B. To improve the fuse's electrical conduction

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C. To increase the current flow through the fuse

What is the function of the cartridge (such as porcelain) encasing the fuse wire?

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