In the figure, a conducting rod of length L = 25.0cmmoves in a magnetic field B

Question

In the figure, a conducting rod of length L = 25.0cmmoves in a magnetic field B?  of magnitude 0.350Tdirected into the plane of the figure. The rod moves with speed v = 7.00m/s in the direction shown.

Part C

When the charges in the rod are in equilibrium, what is the magnitude E of the electric field within the rod?

Express your answer in volts per meter to at least three significant figures.

  V/m  

Part E

What is the magnitude Vba of the potential difference between the ends of the rod?

Express your answer in volts to at least three significant figures.

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Part F

What is the magnitude E of the motional emf induced in the rod?

Express your answer in volts to at least three significant figures.

  V  

A scalloped hammerhead shark swims at a steady speed of 2.0m/s with its 81cm -cm-wide head perpendicular to the earth's 56?T magnetic field.

25.2 Part A

What is the magnitude of the emf induced between the two sides of the shark's head?

Express your answer using two significant figures.

  mV  

25.10

At a typical location in the United States, the earth's magnetic field has a magnitude of 5.0

  V/m  

Part E

What is the magnitude Vba of the potential difference between the ends of the rod?

Express your answer in volts to at least three significant figures.

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Part F

What is the magnitude E of the motional emf induced in the rod?

Express your answer in volts to at least three significant figures.

  V  

Explanation / Answer

magnitude of potential difference = B*L*V

= 0.350*0.25*7

= 0.6125 V

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