Question

A circular wire coil (10.3 cm in diameter) is initially oriented so that its plane is perpendicular to a magnetic field of 0.6 T pointing up. During the course of 0.48 s, the field is changed to one of 0.2T pointing down. What is the average induced emf in the coil? Take the initial direction of the magnetic field as being the positive direction. Answer: Check
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ince!ニ change in 8 a n-flux ve raqe inducedl At final flux- initial flu, 사 B A -B, A Δヒ 2. (一0.2) ㅈ x 0.103 4 千 O . 49 30. 0

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