The electric current existing in a discharge tube is 2.0 μA. How much charge is transferred across a cross-section of the tube in 5 minutes ?
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i = 2 μA, t = 5 min = 5 x 60 sec.
q = i t
= 2 x 10^–6 x 5 x 60
= 10 x 60 x 10^–6 c
= 6 x 10^–4 c
This is your answer.
q = i t
= 2 x 10^–6 x 5 x 60
= 10 x 60 x 10^–6 c
= 6 x 10^–4 c
This is your answer.
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