Class 10ScienceMagnetic Effects of Electric CurrentMix Examples - Magnetic Effects of Electric Current
MediumIf the key in the arrangement (Figure) is taken out (the circuit is made open) and magnetic field lines are drawn over the horizontal plane $ABCD$,the lines are
- Aconcentric circles
- Bstraight lines parallel to each other
- Celliptical in shape
- Dconcentric circles near the point $O$ but of elliptical shapes as we go away from it
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