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omp course) 0 lew proble m?unit ItemID-3382825&enrollmentID;=300215 Conducting B

ID: 777629 • Letter: O

Question

omp course) 0 lew proble m?unit ItemID-3382825&enrollmentID;=300215 Conducting Bars Moving in a Magnetic Field 2 Two identical conducting bars (shown in end view, are moving vertically and bar (b) is moving horizontally g through a verticat magnetc field. Bar (o) s moving 1) Which of the following statements is true? OA motional emf exists in the bar for case (a, but not for case tb) CA motional emf exists in the bar for case (b), but not for case (a) OA motional emf exists in the bar for both cases (a) and (b) A motional emf exists in the bar for neither case (a) nor case tb) Submit 2) Briefly explain your reasoning

Explanation / Answer

(a) is moving parallel to magnetic field so there will be no induced emf as flux will not change.Rod (b) is moving perpendicular to magnetic field so induced emf will be induced in rod (b)