Magnetic Effects of Electric Current | Activities in Text Book with Solution
Activity 13.2
Place a bar magnet in the centre of it.
Sprinkle some iron filings uniformly around the bar magnet (Fig. 13.2). A salt-sprinkler may be used for this purpose.
Now tap the board gently.
What do you observe?
✅ Answer: Iron filings near the magnet align along the field lines.
Reason: The
magnet exerts its influence in the surrounding region. So, the iron filings
experience a force. It makes iron filings to arrange in a pattern.
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