A Flat Coil of Wire Consisting of 20 Turns, Each $\Omega$

question 46

Multiple Choice

A flat coil of wire consisting of 20 turns, each with an area of 80 cm², is positioned perpendicularly to a uniform magnetic field that increases its magnitude at a constant rate from 2.0 T to 6.0 T in 2.0 s. If the coil has a total resistance of 0.40 $\Omega$ , what is the magnitude of the induced current?

• A) 500 mA
• B) 70 mA
• C) 140 mA
• D) 800 mA

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