Problem 1. The wire is moving to the left with a linear velocity of 10 m/s as shown. Determine the magnitude and direction of the emf induced in the wire. Include a brief explanation. 45° XV= 10 m/s 1-025 m B- 02 T, into the page XE X

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**Problem 1:** 

The wire is moving to the left with a linear velocity of \(10 \, \text{m/s}\) as shown. Determine the magnitude and direction of the emf induced in the wire. Include a brief explanation.

**Diagram Explanation:**

- The wire is oriented along a path at a \(45^\circ\) angle to the horizontal plane.
- It is moving with a velocity \(v = 10 \, \text{m/s}\) to the left.
- The length of the wire segment within the magnetic field is \(l = 0.25 \, \text{m}\).
- A uniform magnetic field \(B = 0.2 \, \text{T}\) is directed into the page, represented by crosses.

**Solution Approach:**

To find the induced emf (\(\epsilon\)), use the formula:
\[
\epsilon = B \cdot v \cdot l \cdot \sin{\theta}
\]
where:
- \(B\) is the magnetic field strength,
- \(v\) is the velocity of the wire,
- \(l\) is the length of the wire,
- \(\theta\) is the angle between the velocity and the magnetic field (since it is into the page, directly \(\theta = 90^\circ - 45^\circ = 45^\circ\)).

Plug in the given values to calculate the magnitude of the emf. The direction of the induced emf can be determined by using the right-hand rule.
Transcribed Image Text:**Problem 1:** The wire is moving to the left with a linear velocity of \(10 \, \text{m/s}\) as shown. Determine the magnitude and direction of the emf induced in the wire. Include a brief explanation. **Diagram Explanation:** - The wire is oriented along a path at a \(45^\circ\) angle to the horizontal plane. - It is moving with a velocity \(v = 10 \, \text{m/s}\) to the left. - The length of the wire segment within the magnetic field is \(l = 0.25 \, \text{m}\). - A uniform magnetic field \(B = 0.2 \, \text{T}\) is directed into the page, represented by crosses. **Solution Approach:** To find the induced emf (\(\epsilon\)), use the formula: \[ \epsilon = B \cdot v \cdot l \cdot \sin{\theta} \] where: - \(B\) is the magnetic field strength, - \(v\) is the velocity of the wire, - \(l\) is the length of the wire, - \(\theta\) is the angle between the velocity and the magnetic field (since it is into the page, directly \(\theta = 90^\circ - 45^\circ = 45^\circ\)). Plug in the given values to calculate the magnitude of the emf. The direction of the induced emf can be determined by using the right-hand rule.
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