39. (a) State the function of electric fuse.
(b) An electric bulb is marked 60W. What does this mean? How much energy does it consume if used for 1 hour?
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The function of electric fuse is to keep the current flow in check .It breaks down the circuit when current overflows.
A bulb of 60W means it consumes 60joules in 1hr.
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Answer:
(a) A Electric fuse is a device which is used in a electric circuit to breakdown the flow of electrons which helps our appliances to get damaged . the function of fuse is to prevent fire.
(b)
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