A Planar Loop Consisting of Four Turns of Wire, Each

question 4

Multiple Choice

A planar loop consisting of four turns of wire, each of which encloses 200 cm², is oriented perpendicularly to a magnetic field that increases uniformly in magnitude from 10 mT to 25 mT in a time of 5.0 ms. What is the resulting induced current in the coil if the resistance of the coil is 5.0 Ω?

• A) 60 mA
• B) 12 mA
• C) 0.24 mA
• D) 48 mA
• E) 6.0 mA

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