What is the heat generated (in J) in a heating element of resistance 1000 Ω when a current of 0.1 A passes through it for 25 seconds?
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Assuming that the charge of an electron is 1.6 x 10-19 C, the number of electrons passing through a section of wire per second when the wire carries a current of 1 A is
_____________ is the number of deaths in the population during a given period.
Which of the following is man-made fibre?
There is a protocol signed to reduce production of CFC, known as
Which is the highest quality of hard coal?
The movement inside the Earth's crust is studied by which of the following ?
Pidurutalagala or Mount Pedro is the highest mountain peak of which of the following countries?