Answer:

Step-by-step explanation:
It is given that,
Number of Na⁺ ion, n = 1200 C
So, total charge,
Time taken to flow the charges, t = 3.5 μs = 3.5 × 10⁻⁶ s
Electric current is defined as the ratio of electric charge per unit time.



So, the current flowing in the circuit is
