A paramagnetic liquid is taken in a U-tube and arranged so that one of its limbs is kept between pole pieces of the magnet. The liquid level in the limb

Options

A. goes down
B. rise up
C. remains same
D. first goes down and then rise

Explanation

To solve the problem of the behavior of a paramagnetic liquid in a U-tube placed between the poles of a magnet, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding the Setup**:
- We have a U-tube filled with a paramagnetic liquid.
- One limb of the U-tube is placed between the north and south poles of a magnet.

2. **Properties of Paramagnetic Liquids**:
- Paramagnetic materials, including liquids, have a magnetic susceptibility (Xm) greater than 1.
- This means they are attracted to magnetic fields.

3. **Effect of the Magnetic Field**:
- When the U-tube is placed in the magnetic field created by the magnet, the paramagnetic liquid in the limb between the poles will experience a force due to the magnetic field.
- The magnetic field will exert an attractive force on the paramagnetic liquid.

4. **Behavior of the Liquid**:
- As a result of this attraction, the liquid in the limb that is between the magnetic poles will rise.
- The level of the liquid in this limb will increase compared to the other limb of the U-tube.

5. **Conclusion**:
- Therefore, the liquid level in the limb that is between the magnetic poles will rise up.

### Final Answer:
The liquid level in the limb of the U-tube that is kept between the magnetic poles will rise up.

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