A magnet is placed in iron poweder and the taken out , them maximum iron powder is at

Options

A. some distannce away from north pole
B. some distance away from north pole
C. the middle of the magnet
D. the end of the magnet

Explanation

To solve the question, we need to analyze the behavior of iron powder in the presence of a magnet. Here’s a step-by-step solution:

### Step 1: Understanding Magnetism
A magnet has two poles: the North Pole and the South Pole. The magnetic field is strongest at these poles.

**Hint:** Remember that the strength of a magnetic field varies with distance from the poles.

### Step 2: Placing the Magnet in Iron Powder
When a magnet is placed in iron powder, the iron particles become magnetized due to the magnetic field produced by the magnet. The iron powder will align itself along the lines of the magnetic field.

**Hint:** Visualize how iron filings align themselves along the magnetic field lines when a magnet is placed nearby.

### Step 3: Removing the Magnet
Once the magnet is removed, the iron powder will settle in positions where the magnetic field was strongest. Since the magnetic field is strongest at the poles, the iron powder will accumulate at these points.

**Hint:** Consider where the magnetic field lines are densest when the magnet is present.

### Step 4: Analyzing Options
Now, let’s evaluate the given options:
- **Option A:** Same distance away from North Pole - Incorrect, as the iron powder will not settle uniformly at this distance.
- **Option B:** Same distance away from the North Pole - Incorrect for the same reason as Option A.
- **Option C:** The middle of the magnet - Incorrect, as the magnetic field is weaker in the middle compared to the poles.
- **Option D:** The end of the magnet - Correct, as the iron powder will settle at the poles where the magnetic field is strongest.

### Conclusion
The maximum iron powder will be found at the ends of the magnet, which corresponds to Option D.

**Final Answer:** The maximum iron powder is at the end of the magnet (Option D).

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