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MHT CET 2025 Physics question

PhysicsMagnetism and MatterMHT CET 2025

Not in JEE Advanced syllabus

The space within the current carrying toroid is filled with aluminium of susceptibility ''. The percentage increase in the magnetic field 'B' will be

Answer: (D)

Solution

Without the core the field in the toroid is . With a material of susceptibility (relative permeability ) the field becomes . The increase is , so the percentage increase is $Missing argument for \frac\frac{B -

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Question ID VK-101747