The current through a circular coil appears to be flowing in clock-wise direction for an observer. The magnetic induction at the centre of the coil is:

Options

A. perpendicular to the plane of the coil and towards the observer
B. perpendicular to the plane of the coil and away from the observer
C. paralld to plane of the coil
D. inclined at 45° at the plane of coil

Answer

To solve the problem, we need to determine the direction of the magnetic induction (magnetic field) at the center of a circular coil when the current appears to flow in a clockwise direction for an observer.

### Step-by-Step Solution:

1. **Identify the Direction of Current**:
- The problem states that the current through the circular coil appears to be flowing in a clockwise direction for an observer.

2. **Use the Right-Hand Rule**:
- To find the direction of the magnetic field produced by the current in the coil, we can use the right-hand rule. According to this rule, if you curl the fingers of your right hand in the direction of the current flow, your thumb will point in the direction of the magnetic field.

3. **Curling the Fingers**:
- Since the current is flowing in a clockwise direction when viewed from the perspective of the observer, we curl our fingers in the direction of the current.

4. **Determining the Thumb Direction**:
- As you curl your fingers in the clockwise direction, your thumb will point into the plane of the coil (or into the paper if you visualize it that way).

5. **Conclusion**:
- Therefore, the magnetic induction at the center of the coil is directed into the plane of the coil, which is away from the observer.

### Final Answer:
The magnetic induction at the center of the coil is directed **into the plane of the coil**.

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