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JEE Main 201411 AprilOnline
Exam
JEE Main
Year
2014
Date
11 April
Mode
Online
Subject
Physics
Chapter
Magnetic Properties of Matter

JEE Main 2014 · 11 April · Online · Physics · Magnetic Properties of Matter

Three identical bars A, B and C are made of different magnetic...

Three identical bars A, B and C are made of different magnetic materials. When kept in a uniform magnetic field, the field lines around them look as follows: Three identical bars A, B and C are made of different magnetic materials. When kept in a uniform magnetic field, the
Three identical bars A, B and C are made of different magnetic materials. When kept in a uniform magnetic field, the
Three identical bars A, B and C are made of different magnetic materials. When kept in a uniform magnetic field, the
Make the correspondence of these bars with their material being diamagnetic ( D)\mathrm{D}), ferromagnetic (F) and paramagnetic (P)(\mathrm{P}) :

Options

  1. AA↔D,B↔P,C↔F\mathrm{A} \leftrightarrow \mathrm{D}, \mathrm{B} \leftrightarrow \mathrm{P}, \mathrm{C} \leftrightarrow \mathrm{F}
  2. BA↔F,B↔D,C↔P\mathrm{A} \leftrightarrow \mathrm{F}, \mathrm{B} \leftrightarrow \mathrm{D}, \mathrm{C} \leftrightarrow \mathrm{P}
  3. CA↔P,B↔F,C↔D\mathrm{A} \leftrightarrow \mathrm{P}, \mathrm{B} \leftrightarrow \mathrm{F}, \mathrm{C} \leftrightarrow \mathrm{D}
  4. DA↔F,B↔P,C↔D\mathrm{A} \leftrightarrow \mathrm{F}, \mathrm{B} \leftrightarrow \mathrm{P}, \mathrm{C} \leftrightarrow \mathrm{D}

Correct answer

B. A↔F,B↔D,C↔P\mathrm{A} \leftrightarrow \mathrm{F}, \mathrm{B} \leftrightarrow \mathrm{D}, \mathrm{C} \leftrightarrow \mathrm{P}

Step-by-step solution

Diamagnetic materials are repelled in an external magnetic field. Bar BB represents diamagnetic materials.
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