TS EAMCET · Physics · Magnetic Properties of Matter
If \(\chi\) is the susceptibility and \(\mu_{\mathrm{r}}\) is the relative permeability of a ferromagnetic substance, then
- A \(\chi< < 1\)
- B \(\mu_r \ll 1\)
- C \(\mu_r=0\)
- D \(\chi>>1\)
Answer & Solution
Correct Answer
(D) \(\chi>>1\)
Step-by-step Solution
Detailed explanation
For ferromagnetic substance \(\chi>>1\)
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from Physics
- A ring has a mass \(M\) and radius \(R\). The distance of the point on its geometric axis from its centre at which the gravitational field is strongest isTS EAMCET 2023 Easy
- A beam of photons with an energy of strike a metal plate. The photoelectrons are emitted with maximum velocity of . The work function of the metal is
(Assume mass of electron and Charge of electron )TS EAMCET 2020 Easy - An electromagnetic wave has its electric and magnetic fields given by If the direction of are in the direction of and respectively, the unit vector that gives the direction of propagation of the wave isTS EAMCET 2022 Easy
- A slab of stone of area \(3600 \mathrm{~cm}^2\) and thickness \(10 \mathrm{~cm}\) is exposed on the lower surface to steam at \(100^{\circ} \mathrm{C}\). A block of ice at \(0^{\circ} \mathrm{C}\) rests on upper surface of the slab. In one how \(4.8 \mathrm{~kg}\) of ice is melted. The thermal conductivity of the stone in \(\int \mathrm{s}^{-1} \mathrm{~m}^{-1} \mathrm{k}^{-1}\) is (Latent heat of ice \(=3.36 \times 10^5 \mathrm{~J} / \mathrm{kg}\) )TS EAMCET 2016 Medium
- It is possible to project a particle with a given velocity in two possible ways so as to make them pass through a point \(p\) at a horizontal distance \(r\) from the point of projection. If \(t_1\) and \(t_2\) are times taken to reach this point in two possible ways, then the product \(t_1 t_2\) is proportional toTS EAMCET 2012 Easy
- An ideal gas expands isothermally from volume \(V_1\) to volume \(V_2\). It is then compressed to the original volume \(V_1\) adiabatically. If \(p_1, p_2\) and \(W\) represent the initial pressure, final pressure and the net work done by the gas respectively during the entire process, thenTS EAMCET 2010 Medium
More PYQs from TS EAMCET
- A wire of cross-sectional area \(10^{-6} \mathrm{~m}^2\) is elongated by \(0.1 \%\) when the tension in it is 1000 N . The Young's modulus of the material of the wire is (Assume radius of the wire is constant)TS EAMCET 2024 Easy
- A Carnot engine with efficiency \(\eta\) operates between two heat reservoirs with temperatures \(T_1\) and \(T_{2^{\prime}}\) where \(T_1>T_2\). If only \(T_1\) is changed by \(0.4 \%\), the change in efficiency is \(\Delta \eta_1\), whereas if only \(T_2\) is changed by \(0.2 \%\), the efficiency is changed by \(\Delta \eta_2\). The ratio \(\frac{\Delta \eta_1}{\Delta \eta_2}\) is approximately,TS EAMCET 2019 Medium
- The temperature on a Fahrenheit temperature scale that is twice the temperature on a Celsius temperature scale isTS EAMCET 2024 Easy
- The magnetic susceptibility of the material of a rod is 499. Permeability of vaccum is \(4 \pi \times 10^{-7} \mathrm{H} / \mathrm{m}\). Absolute permeability of the material of the rod in \(\mathrm{H} / \mathrm{m}\) is:TS EAMCET 2003 Medium
- How much thermal energy is required to change a \(40 \mathrm{~g}\) ice cube from solid at \(-10^{\circ} \mathrm{C}\) to steam at \(110^{\circ} \mathrm{C}\) ? [Assume, latent heat of fusion for water \(=80 \mathrm{kcal} / \mathrm{kg}\), specific heat of water \(=1 \mathrm{kcal} / \mathrm{kg}^{\circ} \mathrm{C}\), specific heat of ice \(=0.5 \mathrm{kcal} / \mathrm{kg}^{\circ} \mathrm{C}\), specific heat of steam \(=0.48 \mathrm{kcal} / \mathrm{kg}^{\circ} \mathrm{C}\), latent heat of vaporisation of water \(\left.=540 \mathrm{kcal} / \mathrm{kg}^{\circ} \mathrm{C}\right]\)TS EAMCET 2020 Easy
- Half-life of a radioactive substance A is two times the half-life of another radioactive substance \(B\). Initially the number of nuclei of \(A\) and \(B\) are \(N_A\) and \(N_B\) respectively. After three half-lives of \(A\), the number of nuclei of both are equal. Then \(\frac{\mathrm{N}_{\mathrm{A}}}{\mathrm{N}_{\mathrm{B}}}\) isTS EAMCET 2023 Medium