Question : Which of the following statements is correct regarding fuse wire?
Option 1: It has a low melting point and low conductivity.
Option 2: It has a high melting point and low conductivity.
Option 3: It has a low melting point and high conductivity.
Option 4: It has a high melting point and high conductivity.
Correct Answer: It has a low melting point and high conductivity.
Solution : The correct answer is that it has a low melting point and high conductivity .
The material used to make fuse wire has a high conductivity and a low melting point. It will prevent excessive power from flowing through it if it is placed into an electric circuit. The fuse wire heats up, melts and breaks the circuit when the current reaches its limit. It is composed of a lead (Pb) and tin (Sn) alloy.
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Question : Which of the following metals in pure form has the highest melting point?
Question : Which of the following contains a high content of lead?
Question : Which of the following statements is correct regarding the climate of the Indian subcontinent? A. The climate of North India remains similar throughout the year B. The Himalayas protect the subcontinent from extremely cold winds from central Asia.
Question : Which of the following is not a characteristic of a solid?
Question : Which element of the boron family has a high boiling point, making it ideal for recording temperatures that would vaporise a thermometer?
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