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Q: A current of 0.75A is drawn by a filament of an electric bulb in 8 minutes. Find the amount of electric charge flowing through the current.
  • A. 360C
  • B. 50C
  • C. 225C
  • D. 270C
Correct Answer: Option A - Given, t = 8 minutes = 8 × 60 = 480 seconds I = 0.75 ampere We know that, ∴ charge = current × time Q = I × t = 480 × 0.75 = 360 coulomb
A. Given, t = 8 minutes = 8 × 60 = 480 seconds I = 0.75 ampere We know that, ∴ charge = current × time Q = I × t = 480 × 0.75 = 360 coulomb

Explanations:

Given, t = 8 minutes = 8 × 60 = 480 seconds I = 0.75 ampere We know that, ∴ charge = current × time Q = I × t = 480 × 0.75 = 360 coulomb