q define current density give its unitthe amount
Q. Define: current density. Give its unit.
The amount of charge passing per unit time through unit area taken perpendicular to the direction of flow of charge at that point is called current density. It is expressed as Am-2.
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q compare the emf and the potential difference comparison of emf and potential difference1 the difference of potentials among the two terminals of a
q state faradays laws of electrolysis first law the mass of a substance unconventional at an electrode is directly proportional to the charge passing
q the resistance of a nichrome wire at 0oc is 10 omega if the temperature coefficient of resistance is 0004oc find its resistance at boiling point of
q the resistance of a platinum wire at 0oc is 4 omega what will be the resistance at 100oc if the temperature coefficient of resistance is 00038oc
q define current density give its unitthe amount of charge passing per unit time through unit area taken perpendicular to the direction of flow of
q what is superconductivitythe capability of certain metals their compounds and alloys to conduct electricity with zero resistance at very low
q if 625 x 10 18 electrons flow through a given cross-section in unit time find the current solution current i q t ne t 625 x 10 18x 16 x 10 -19
q the colour codes of a carbon resistor are yellow yellow orange tolerance is 5 find the resistancethe initial yellow ring corresponds to 4 the
which is the first human heart chamber into which blood enters where does the blood go after passing that chamber what is the name of the valve that
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