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# The quantity of chargeq (Coulomb) pas sing through a surface of area 3 cm , changing with time as q = 4t3 + St + 6 (t is in units of seconds) . Find the current den...

## Question

###### The quantity of chargeq (Coulomb) pas sing through a surface of area 3 cm , changing with time as q = 4t3 + St + 6 (t is in units of seconds) . Find the current density at t = 2 s a) ] = 8,50x 10+ A/m? b) ]J = 1,77X 105 A/m? c) ] = 2,83X 105 A/m? d) J = 3,94X 105 A/mz e) ] = 5,08X 105 A/m?

The quantity of chargeq (Coulomb) pas sing through a surface of area 3 cm , changing with time as q = 4t3 + St + 6 (t is in units of seconds) . Find the current density at t = 2 s a) ] = 8,50x 10+ A/m? b) ]J = 1,77X 105 A/m? c) ] = 2,83X 105 A/m? d) J = 3,94X 105 A/mz e) ] = 5,08X 105 A/m?

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