In a Region of Space Where the Magnetic Field of the Earth

question 45

Multiple Choice

In a region of space where the magnetic field of the Earth has a magnitude of 80 $\mu$ T and is directed 30 $\degree$ below the horizontal, a 50-cm length of wire oriented horizontally along an east-west direction is moved horizontally to the south with a speed of 20 m/s.What is the magnitude of the induced potential difference between the ends of this wire?

• A)0.45 mV
• B)0.35 mV
• C)0.30 mV
• D)0.40 mV
• E)0.69 mV

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