Select the correct statements regarding current density (1) It is a...

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Select the correct statements regarding current density
(1) It is a vector quantity
(2) Its SI unit is math xmlns=http://www.w3.org/1998/Math/MathMLmi mathvariant=normalA/mimo//momsupmi mathvariant=normalm/mimn2/mn/msup/math
(3) Its dimensions are math xmlns=http://www.w3.org/1998/Math/MathMLmfenced open=[ close=]mrowmsupmi mathvariant=normalM/mimn0/mn/msupmsupmrowmo /momi mathvariant=normalL/mi/mrowmrowmo-/momn2/mn/mrow/msupmsupmrowmo /momi mathvariant=normalT/mi/mrowmn0/mn/msupmo /momi mathvariant=normalA/mi/mrow/mfenced/math
(4) math xmlns=http://www.w3.org/1998/Math/MathMLmi mathvariant=normalI/mimo=/momo∫/momover accent=truemij/mimo→/mo/movermo·/momid/mimover accent=truemiA/mimo→/mo/mover/math
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