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Question
On calculating the strength of current in amperes if a charge of 840C (coulomb) passes through an electrolyte in 7 minutes, it will be
- 1
- 2
- 3
- 4
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Solution
type 1
A = C/s
∴ A = 840/(7 × 60)
∴ A = 840/420
∴ A = 2
type 2
2
Q =I × t
840= I × 420
I =2 A
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