a) What is meant by electric current? 5
b) Name and define its SI unit.
c) In a conductor electrons are flowing from B to A. What is the direction of conventional current?
d) Give justification for your answer.
e) Name the factors on which the resistance of a conducting wire depends.Draw a diagram of human excretory system and label kidneys, ureters on it. 5
b) What is the role of HCl in our stomach?
c) Which protein digesting enzyme is present in pancreatic juice?
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Rate of flow of charge is known as electric current.
It's SI unit is Ampere
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