Faraday’s law of electromagnetic induction; Skills for analyzing processes involving...

Faraday’s law of electromagnetic induction; Skills for analyzing processes involving electromagnetic induction; Changing field magnitude and induced emf; Changing area and induced emf

You build a coil of radius r (m) and place it in a uniform field oriented perpendicular to the coil’s surface. What is the total electric charge that passes through the coil’s wire loops if the field decreases at a constant rate to zero? The resistance of the coil’s wire is R (?).