Q. Magnetic field lines inside a bar magnet

एक बार चुंबक के अंदर चुंबकीय क्षेत्र रेखाएं

A
Move from south to north
दक्षिण से उत्तर की ओर बढ़ें
B
Do not exist
अस्तित्व में नहीं है
C
Move from north to south
उत्तर से दक्षिण की ओर बढ़ें
D
Are circular
गोलाकार हैं

Explanation

Inside a bar magnet, magnetic field lines travel from the south pole to the north pole. Outside the magnet, the field lines move from north to south, completing a closed loop. So, the magnetic field lines inside and outside the magnet have opposite directions.

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