The value of aluminium susceptibility is 2 . 2 × 10 - 5 . The percentage increase in the magnetic field…

The value of aluminium susceptibility is 2.2×10-5. The percentage increase in the magnetic field if space within a current carrying toroid is filled with aluminium is x104. Then the value of x is

Solution

B=μH+I

B=μH1+IH

B=B0(1+x)

B-B0=B0x

B-B0 B0=x

B-B0 B0×100=100x

=2.2×10-3=22104

Asked in: JEE Main 2021 (25 Jul Shift 1)

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