The Figure Shows a Uniform,3

question 70

Multiple Choice

The figure shows a uniform,3.0-T magnetic field that is normal to the plane of a conducting,circular loop with a resistance of 1.5 and a radius of 0.024 m.The magnetic field is directed out of the paper as shown.Note: The area of the non-circular portion of the wire is considered negligible compared to that of the circular loop.

-If the magnetic field is held constant at 3.0 T and the loop is pulled out of the region that contains the field in 0.2 s,at what rate is energy dissipated in R?

• A)1.8 × 10^-² W
• B)3.6 × 10^-² W
• C)3.8 × 10^-³ W
• D)2.7 × 10^-⁴ W
• E)4.9 × 10^-⁴ W

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