30 Identify the correct choice a lines of force start from the north pole and endat the south pole outside the magnet b no two

Question

30 Identify the correct choice a lines of force start from the north pole and endat the south pole outside the magnet b no two lines of force intersect c lines of force are real curves which are invisible d the strength of magnetic field is the largest where the lines of force are crowded together A B C

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