Bissoy.com
Doctors Medicines MCQs Q&A

Related Questions

Consider the following statements: 1. Both ferromagnetic and ferrimagnetic materials have domain structures; each domain has randomly oriented magnetic moments when no external field is applied. 2. Both ferromagnetic and ferrimagnetic materials make those domains that have a favourable orientation to the applied field grow in size. 3. The net magnetic moment in ferromagnetic materials is higher than that in ferrimagnetic materials. 4. The net magnetic moment in ferrimagnetic materials is higher than that in ferromagnetic material. Which of the above statements are correct?
Consider the following statements regarding a ferromagnetic material: 1. Below the ferromagnetic Curie temperature, the ferromagnetic materials exhibit a hysteresis effect. 2. The coercive force is the field required to reduce the flux density to zero. Which of the above statements is/are correct?
Assertion (A) The ferromagnetic substances do not obey Curie's law.
Reason (R) At Curie point a ferromagnetic substance start behaving as a paramagnetic substance.
Which of the following material is not a ferromagnetic material?
 When does a ferromagnetic material become a paramagnetic material?
At what temperature, a ferromagnetic material becomes paramagnetic material?
When does a ferromagnetic material become paramagnetic material?
Match the items in column 1 and column 2 and choose the correct combination. Column 1 Column 2 A - Resilience 1 – Ability of the material to return to the original shape when load is removed B – Fatigue 2 – Capacity of a material to absorb energy elastically C – Stiffness 3 – Ability of material to absorb a certain amount of energy without failure D - Elasticity 4 – Resistance of the material to elastic deformation   5 – Failure of material at loads less than that at normal conditions  
Two semiconductor material have exactly the same properties except that material A has a bandgap of 1.0 eV and material B has a bandgap energy of 1.2 eV. The ratio of intrinsic concentration of material A to that of material B is
AT Co makes a single product and is preparing its material usage budget for next year Each unit of product requires 2kg of material, and 5,000 units of product are to be produced next year Opening inventory of material is budgeted to be 800 kg and AT co budgets to increase material inventory at the end of next year by 20%.The material usage budget for next year is