Physics · Magnetic Effects of Current
A loop of flexible wire of irregular shape carrying current is placed in an external uniform magnetic field. Identify the effect of the field on the wire.
- 1The shape of the loop remains unchanged.
- 2The wire gets stretched to become completely straight.
- 3The loop assumes a circular shape with its plane parallel to the field.
- 4The loop assumes a circular shape with its plane normal to the field.✓
Correct answer
The loop assumes a circular shape with its plane normal to the field.
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