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Q: A current of 0.75A is drawn by a filament of an electric bulb in 9 minutes. Find the amount of electric charge flowing through the current.
  • A. 225 C
  • B. 270 C
  • C. 240 C
  • D. 405 C
Correct Answer: Option D - Given, Electric current (I) = 0.75 A, Time (t) = 9 min = 9 x 60 sec Electric charge (Q) = I x t = 0.75 x 9 x 60 = 45 x 9 = 405 C
D. Given, Electric current (I) = 0.75 A, Time (t) = 9 min = 9 x 60 sec Electric charge (Q) = I x t = 0.75 x 9 x 60 = 45 x 9 = 405 C

Explanations:

Given, Electric current (I) = 0.75 A, Time (t) = 9 min = 9 x 60 sec Electric charge (Q) = I x t = 0.75 x 9 x 60 = 45 x 9 = 405 C