A Loop with a Resistance of 4

question 3

Multiple Choice

A loop with a resistance of 4.0 is pushed to the left at a constant speed of 2.0 m/s by a 24 N force.At the instant shown in the figure,the loop is partially in and partially out of a uniform magnetic field.An induced current flows from left to right through the resistor.The length and width of the loop are 2.0 m and 1.0 m,respectively.

-Determine the magnitude of the uniform magnetic field.

• A)2.2 T
• B)3.5 T
• C)6.4 T
• D)7.0 T
• E)9.1 T

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