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(i) A cell is sending current in an external circuit. How does the terminal voltage compare with the e.m.f. of the cell ? (ii) What is the purpose of using a fuse in an electrical circuit ? (iii) What are the characteristic properties of fuse wire ? |
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Answer» (i) Terminal voltage < e.m.f. (ii) An electric fuse is a safety device which limits the current flowing in an electric circuit. (iii) A fuse wire must have a High resistance and Low melting point. |
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