Question 9 (b)
Mark ‘T’ if the statement is true and ‘F’ if it is false:
When the electric current through the fuse exceeds a certain limit, the fuse wire melts and breaks.

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Solution

True
An electric fuse is used in electric circuits to safeguard the circuit and circuit elements from damages caused by overcurrent. When the electric current through the fuse exceeds a certain limit, the fuse wire melts and breaks.

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Similar questions

Mark ‘T’ if the statement is true and ‘F’ if it is false:

(a) To make a battery of two cells, the negative terminal of one cell is connected to the negative terminal of the other cell. (T/F)

(b) When the electric current through the fuse exceeds a certain limit, the fuse wire melts and breaks. (T/F)

(d) An electric bell has an electromagnet. (T/F)

Question 2

Choose the statement which is not correct in the case of an electric fuse.

(a) Fuses are inserted in electric circuits of all buildings

(b) There is a maximum limit on the current which can safely flow through the electric circuits

(d) If a proper fuse is inserted in a circuit it will blow off if current exceeds the safe limit

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