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<p><span style="box-sizing: border-box; margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: "Helvetica Neue", Helvetica, Arial; vertical-align: baseline; color: rgb(51, 51, 51);">A circular wire loop is pulled on opposite ends so that it elongates, as shown. When this happens, the area enclosed by the wire loop is reduced from 100 m</span><span style="box-sizing: border-box; margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: "Helvetica Neue", Helvetica, Arial; vertical-align: baseline; color: rgb(51, 51, 51);">2</span><span style="box-sizing: border-box; margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: "Helvetica Neue", Helvetica, Arial; vertical-align: baseline; color: rgb(51, 51, 51);"> to 35 m</span><span style="box-sizing: border-box; margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: "Helvetica Neue", Helvetica, Arial; vertical-align: baseline; color: rgb(51, 51, 51);">2</span><span style="box-sizing: border-box; margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: "Helvetica Neue", Helvetica, Arial; vertical-align: baseline; color: rgb(51, 51, 51);"> in a time interval of 0.27 s. An external B field = 1.9 T also present and points perpendicular to the face of the loop, as shown. Find the magnitude and direction of the induced emf in the wire as it is being pulled.</span></p><p><span style="box-sizing: border-box; margin: 0px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline;">A. 457, CCW</span></p><p><span style="box-sizing: border-box; margin: 0px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline;">B. 246 V, CW</span></p><p><span style="box-sizing: border-box; margin: 0px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline;">C. 457 V, CW</span></p><p><span style="box-sizing: border-box; margin: 0px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline;">D. 246 V, CW</span></p><p><span style="box-sizing: border-box; margin: 0px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline;">E. 0 V</span></p><p><br/></p><p><img src="https://media.cheggcdn.com/study/766/766b31f0-3b6f-4963-9d40-1d9aee04541e/image" alt="O O O Oy O Induced current O "/></p>

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