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.
The S.I. unit of the electric flux is
Einstein was awarded Nobel Prize for –
What term describes the rate of change of velocity?
In which form is the supplied heat energy stored during change in temperature of substance?
Temperature of the Sun is measured by?
Which one of the following is used to remove Astigmatism for a human eye?
______ is an important metal to form amalgam.
The energy of wind is-
Which of the following statements best describes the relationship between static friction and the normal force?
Which Nobel Gas is also known as ‘Stranger Gas’?
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