A current of 5 A exists in a 10 Ω Ω resistance for 4 minutes.
(i) How many coulombs and
(ii) How many electrons pass through any cross section of the resistor in this time?
Charge of the electron = 1.6 x 10 -19 C.
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
[(i) Q = 1200 C, (ii) n = 75 x 10 20 ]
Sol. (i) Q = i 
t = 5 × 4 × 60 = 1200C
(ii) Q = ne
⇒ n = 
= 75 × 10 20
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