Statement I: The magnetic field at the ends of a very long current carrying solenoid is half of ...

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Statement I: The magnetic field at the ends of a very long current carrying solenoid is half of that at the centre.
Statement II: If the solenoid is sufficiently long, the field within it is uniform.
(A) If both statements are true and statement II is the correct explanation of statement I.
(B) If both statements are true but statement II is not the correct explanation of statement I.
(C) If statement I is true but statement II is false.
(D) If both statements are false.
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