Answer:Atomic model keep changing because the electrons around the nucleus are not fixed and they keeps rotating or changing their position in valence orbits around the nucleus.
Explanation:
Explanation:
We have,
Surface area,
The current varies wrt time t as :
(a) At t = 2 seconds, electrical charge is given by :
(b) Current is given by :
Instantaneous current at t = 1 s is,
(c) Current is,
Current density is given by electric current per unit area.
Therefore, it is the required explanation.
Answer:
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Explanation:
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Answer:
well im on the test too trying to help but all i know is it passes through and changes the color to red.
Explanation:im sorry im stoopid