Magnetic Effects of Electric Current | Class 10 | Activity 13.6 with Solution

Magnetic Effects of Electric Current | Activities in Text Book with Solution

Activity 13.6

Take a rectangular cardboard having two holes.

Insert a circular coil having large number of turns through them, normal to the plane of the cardboard.

Connect the ends of the coil in series with a battery, a key and a rheostat, as shown in Fig. 13.9.

Fig. 13.9

Sprinkle iron filings uniformly on the cardboard.

Plug the key.

Tap the cardboard gently a few times. Note the pattern of the iron filings that emerges on the cardboard.

✅ Answer: Concentric circle patterns of the iron filings emerge on the cardboard. At the centre, it appears as a straight line.

• Activity 13.1
• Activity 13.2
• Activity 13.3
• Activity 13.4
• Activity 13.5
• Activity 13.6
• Activity 13.7
• Activity 13.8
• Activity 13.9

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