Question
Safety fuse wire used in domestic electrical appliances
is made of metal of lowSolution
The fuse wire is based on the Joules law of heating which says that when the electric current is allowed to pass through a conductor, the conductor heats up and is proportional to the square of current. The main object of using fuse wire in electric circuit is to provide protection against short circuit or overload current. For this purpose, the material used as fuse wire should have high resistance and low melting point.
Which one of the following is volume of water necessary to cover an area of 1.0 ha to a depth of 5 cm?
Water movement in a saturated soil is governed by
Which of the following is an objective/visual extension teaching method?
What is conservation agriculture?
Which one of the farming system where farmers move seasonally with their herd?
Which of the following statement about Pteridophytes is incorrect ?
In rodents canines are not found instead a gap is present, what is the gap called?Â
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