When a current carrying conductor is placed in magnetic field, then:

Options

A. It always experience a force
B. It may experience a force
C. It never experience a force
D. None of the above

Explanation

To solve the question regarding the behavior of a current-carrying conductor in a magnetic field, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding the Concept**:
When a current-carrying conductor is placed in a magnetic field, it experiences a force due to the interaction between the magnetic field and the electric current flowing through the conductor.

2. **Identify the Orientation**:
The force experienced by the conductor depends on its orientation relative to the magnetic field. The angle (θ) between the direction of the current and the magnetic field is crucial in determining the force.

3. **Using the Formula**:
The force (F) on a current-carrying conductor in a magnetic field can be calculated using the formula:
\[ F = I \cdot L \cdot B \cdot \sin(\theta) \]
where:
- \( F \) = force on the conductor
- \( I \) = current flowing through the conductor
- \( L \) = length of the conductor in the magnetic field
- \( B \) = magnetic field strength
- \( \theta \) = angle between the conductor and the magnetic field

4. **Analyzing Different Angles**:
- **θ = 0° or 180°**: If the conductor is parallel (0°) or anti-parallel (180°) to the magnetic field, then \( \sin(0°) = 0 \) or \( \sin(180°) = 0 \). Thus, the force \( F = 0 \).
- **θ = 90°**: If the conductor is perpendicular to the magnetic field, \( \sin(90°) = 1 \). Thus, the force is maximized: \( F = I \cdot L \cdot B \).
- **Other Angles**: For any angle between 0° and 90°, the force will be some value between 0 and the maximum value.

5. **Conclusion**:
Since the force depends on the angle, it cannot be said that the conductor always experiences a force. It may experience a force depending on its orientation. Therefore, the correct answer to the question is that a current-carrying conductor "may experience a force".

### Final Answer:
The correct option is: **It may experience a force**.