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Grade: 10
        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?
5 years ago

Answers : (1)

Kevin Nash
askIITians Faculty
332 Points
							Sol. I’ = 2 μA, t = 5 min = 5 * 60 sec.
q = i t = 2 * 10^–6 * 5 * 60
= 10 * 60 * 10^–6 c = 6 * 10^–4 c

						
5 years ago
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