A 20 Turn Coil of Area 10 Cm² Is Placed

question 24

Multiple Choice

A 20 turn coil of area 10 cm² is placed in a magnetic field so that the normal to the coil's area is in the same direction as the field. If the magnitude of the field increases from 0.25 T to 0.35 T in 2.0 s, what is the average emf induced in the coil?

• A) 7.0 mV
• B) 2.0 mV
• C) 1.0 mV
• D) 3.5 mV
• E) 4.0 mV

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