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What is the role of fuse used in series with any electrical appliance? Whyshould a fuse with defined rating not be replaced by one with a largerrating?

Answer»

Fuse is used for protecting appliances due to short-circuiting or overloading. The fuse is rated for a certain maximum current and blows off when a current more than the rated value flows through it.

If a fuse is replaced by one with larger ratings, the appliances may get damaged while the protecting fuse does not burn off. This practice of using fuse of improper rating should always be avoided.Like if you find it useful

Fuseisusedfor protectingappliancesdue to short-circuiting or overloading. Thefuseisratedfor a certain maximum current and blows off when a current more than theratedvalue flows through it. ... This practice of usingfuseof improperrating shouldalways be avoided.



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