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What is a magnetic substance? Write its types.
(N/A) substance is called a magnetic substance if,when placed in an external magnetic field,an induced magnetic field is produced within it.
There are three main types of magnetic substances:
$(i)$ Diamagnetic substances: These are weakly repelled by an external magnetic field.
$(ii)$ Paramagnetic substances: These are weakly attracted by an external magnetic field.
$(iii)$ Ferromagnetic substances: These are strongly attracted by an external magnetic field.
There are three main types of magnetic substances:
$(i)$ Diamagnetic substances: These are weakly repelled by an external magnetic field.
$(ii)$ Paramagnetic substances: These are weakly attracted by an external magnetic field.
$(iii)$ Ferromagnetic substances: These are strongly attracted by an external magnetic field.
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Consider the following two statements $A$ and $B$ and identify the correct choice in the given answers.
$A$. Paramagnetism is explained by domain theory.
$B$. Susceptibility of a diamagnetic substance is independent of temperature.
$A$. Paramagnetism is explained by domain theory.
$B$. Susceptibility of a diamagnetic substance is independent of temperature.
Match List-$I$ with List-$II$.
List-$I$ (Material) List-$II$ (Susceptibility $(\chi)$) $A$. Diamagnetic $I$. $\chi=0$ $B$. Ferromagnetic $II$. $0 > \chi \geq -1$ $C$. Paramagnetic $III$. $\chi >> 1$ $D$. Non-magnetic $IV$. $0 < \chi < \varepsilon$ (a small positive number)
Choose the correct answer from the options given below:
| List-$I$ (Material) | List-$II$ (Susceptibility $(\chi)$) |
| $A$. Diamagnetic | $I$. $\chi=0$ |
| $B$. Ferromagnetic | $II$. $0 > \chi \geq -1$ |
| $C$. Paramagnetic | $III$. $\chi >> 1$ |
| $D$. Non-magnetic | $IV$. $0 < \chi < \varepsilon$ (a small positive number) |
Choose the correct answer from the options given below:
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