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Which of the following statements are correct?
[JEE Main-2021 (March)]
\( \mathrm{P} \)
(A) Electric monopoles do not exist whereas magnetic
W monopoles exist.
(B) Magnetic field lines due to a solenoid at its ends and outside cannot be completely straight and confined.
(C) Magnetic field lines are completely confined within a toroid.
(D) Magnetic field lines inside a bar magnet are not parallel.
(E) \( \chi=-1 \) is the condition for a perfect diamagnetic material, where \( x \) is its magnetic susceptibility.
Choose the correct answer from the options given below:
(a) (A) and (B) only
(b) (B) and (C) only
(c) (C) and (E) only
(d) (B) and (D) only
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