A Coil of Wire 20 Cm Length and 200 Turns

question 12

Multiple Choice

A coil of wire 20 cm length and 200 turns carries a current of 10 A.A bar of titanium (magnetic susceptibility 1.81 x 10^-4) is positioned within the coil.The magnetic field inside the titanium bar is

• A)7.590 x 10^-4 T.
• B)4.145 x 10^-4 T.
• C)12.6 x 10^-4 T.
• D)1.257 x 10^-2 T.

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