Problem: An electric current runs through a coil of wire as shown. A permanent magnet is located to the right of the coil. The magnet is free to rotate. What will happen to the magnet if its original orientation is as shown in the figure, with the current coming in on the front side of the solenoid, and then looping around the back? 1. rotate clockwise 2. remain still 3. rotate counterclockwise 4. Unable to determine

🤓 Based on our data, we think this question is relevant for Professor Hailu and Yacoby's class at HARVARD.

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Problem Details

An electric current runs through a coil of wire as shown. A permanent magnet is located to the right of the coil. The magnet is free to rotate. What will happen to the magnet if its original orientation is as shown in the figure, with the current coming in on the front side of the solenoid, and then looping around the back?

1. rotate clockwise

2. remain still

3. rotate counterclockwise

4. Unable to determine

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Force and Torque on Current Loops concept. You can view video lessons to learn Force and Torque on Current Loops. Or if you need more Force and Torque on Current Loops practice, you can also practice Force and Torque on Current Loops practice problems.

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What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Hailu and Yacoby's class at HARVARD.