$ \chi_{1} $ and $ \chi_{2} $ are the magnetic susceptibilities of a paramagnetic material at temperatures $ T_{1} \ K $ and $ T_{2} \ K $ respectively. Then:
- A$ \chi_{1} = \chi_{2} $
- B$ \chi_{1} T_{1} = \chi_{2} T_{2} $
- C$ \chi_{1} T_{2} = \chi_{2} T_{1} $
- D$ \chi_{1} \sqrt{T_{1}} = \chi_{2} \sqrt{T_{2}} $
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The relation between the magnetic susceptibility $\chi$ and the relative magnetic permeability $\mu_r$ is:
Easy
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$A$ solenoid having $400$ turns per metre has a core of a material with relative permeability $400$. When a current of $0.5 \ A$ is passed through it,the magnetization of the core material in $Am^{-1}$ is nearly
Which of the following relations is incorrect?
$(a) \ B = \mu_0(H + I)$
$(b) \ B = \mu_0(H + \chi_m)$
$(c) \ \mu_r = 1 + \chi_m$
$(d) \ \chi_m = I / H$
(Here,$I =$ intensity of magnetization and $H =$ magnetising field)
$(a) \ B = \mu_0(H + I)$
$(b) \ B = \mu_0(H + \chi_m)$
$(c) \ \mu_r = 1 + \chi_m$
$(d) \ \chi_m = I / H$
(Here,$I =$ intensity of magnetization and $H =$ magnetising field)
Medium
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