What do you understand by the term fuse in an electric circuit? 18. State the composition
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A fuse is the safety device which is added to an electric circuit .It ensures that a electric circuit is not short circuited . If an undesirable amount of current flows through then it melts and helps in preventing short circuit .
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Explanation:
It is a safety device used to prevent the electric appliances against excessive electric current.
It consists of a piece of wire made of appropriate melting point like aluminium, copper, iron, lead, etc.
Generally, metallic wire made of tin ( 25% ) and lead ( 75% ) having low melting point is used.
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