Question

17. How can you say that an Electric fuse is a safety device?​

Answer 1

Answer:

An electrical fuse is a safety device and it works on the heating effect of current. ... You can understand it by an example: the fuse in the lighting and fan circuit of a small house is of 5 amperes rating, it means that the fuse wire will melt if the current exceeds 5 A value.

Explanation:

Hope this help you..

Answer 2

Answer:

Function of electric fuse to break the flow of current when, electric charge is high. This prevents shot circuit.

If the flow is not stopped, the charge gets higher and higher. Due to the high voltage, the whole system gets heated and if it continues, shot circuit will take place.

So, Electric fuse is indeed a safety device that prevents shot circuit.