Two identical conducting bars of length 56.6 cm can be moved across two parallel conducting wires. The bars can be moved either to the left or right with the speeds v₁ and v₂. The top wire has a resistor with a resistance of 3.2 2 and the bottom wire has an ammeter (a device used to measure the current). The ammeter has neglibible resistance and reports a positive current if the current flows through it to the right. A uniform magnetic field exists everywhere with strength B either pointing into or out of the page.

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Two identical conducting bars of length 56.6 cm can be moved across two parallel conducting wires. The bars can be
moved either to the left or right with the speeds v₁ and v₂. The top wire has a resistor with a resistance of 3.2 and
the bottom wire has an ammeter (a device used to measure the current). The ammeter has neglibible resistance and
reports a positive current if the current flows through it to the right. A uniform magnetic field exists everywhere with
strength B either pointing into or out of the page.
B or O
R
L
V₁
A
V2
1) Scenerio 1: The right bar is held at rest and the left bar is moved to the right at a constant speed of v₁ = 4.1 m/s. The
magnetic field is into the page with a strength of 6.2 T.
What is the EMF induced in the left bar? A positive value means the top of the bar is at a higher potential than the
bottom of the bar.
V Submit
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2) What is the current measured by the ammeter for scenerio 1?
A Submit
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You can make 10 more submissions for this question.
Transcribed Image Text:Two identical conducting bars of length 56.6 cm can be moved across two parallel conducting wires. The bars can be moved either to the left or right with the speeds v₁ and v₂. The top wire has a resistor with a resistance of 3.2 and the bottom wire has an ammeter (a device used to measure the current). The ammeter has neglibible resistance and reports a positive current if the current flows through it to the right. A uniform magnetic field exists everywhere with strength B either pointing into or out of the page. B or O R L V₁ A V2 1) Scenerio 1: The right bar is held at rest and the left bar is moved to the right at a constant speed of v₁ = 4.1 m/s. The magnetic field is into the page with a strength of 6.2 T. What is the EMF induced in the left bar? A positive value means the top of the bar is at a higher potential than the bottom of the bar. V Submit You currently have 0 submissions for this question. Only 10 submission are allowed. You can make 10 more submissions for this question. 2) What is the current measured by the ammeter for scenerio 1? A Submit You currently have 0 submissions for this question. Only 10 submission are allowed. You can make 10 more submissions for this question.
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