35. Two wires of different materials are given such that wire A has a thickness of 2 mm and melting point of 360°С. And wire B has a thickness of 4 mm and melting point of 800°C. Which of them is best suited for fuse wire ICI A) only B B) only A C) Both A and B D) Neither A nor B
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C) Both
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C) Both A and B is the correct option.
The resistance and melting point of a fuse wire should be high. As a result, currents greater than the required value are prevented from passing. Because of the heat created, a low melting point will cause it to shatter when a strong current is sent through it.
The melting point of wire must be low in order for it to melt as the temperature rises. The fuse wire heats up, melts, and breaks the circuit as current equal to the maximum safe value runs through it.
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