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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?
All magnetic materials lose their magnetic properties when
All the magnetic materials lose their magnetic properties when they are
In which of the following situations all the magnetic materials lose their magnetic properties?
Consider the following statements: 1. If a piece of a bar magnet is broken into two equal pieces, the pieces will not lose the magnetic properties 2. Magnetic properties of a substance lie in the atomic level Which of the statement given above is/are correct?
Consider the following statements: If a piece of bar magnet is broken into two equally long pieces, the pieces will not lose the magnetic properties. Magnetic properties of a substance lie in the atomic level. Which of the statements given above is/are correct ?
Many wave properties are dependent upon other wave properties. Yet, one wave property is independent of all other wave properties. Which one of the following properties of a wave is independent of all the others?
In the following question, sentences of a paragraph have been jumbled and labeled as P, Q, R, and S. You are required to rearrange the jumbled sentences of the paragraph and mark your response accordingly by selecting the correct option. S1: There's nothing new in the idea that adolescence is a difficult period for everyone the adolescents themselves, of course, as well as for their parents P. Quite simply, the two generations live worlds apart. Now, psychologists are beginning to understand the biological basis for this eternal conflict. Q. Teenagers' brains really are different from those of their parents and a fully adult brain may not develop until well after the teenage years. R. For their parts, adolescents can't understand what their parents are worried about; they find their tastes and responsible concerns boring and outdated S. From an adult point of view, adolescents are difficult, rebellious, irresponsible, often selfish, and self-absorbed, prone to dangerous behaviour that risks their health, their life, and their possibility of future happiness. S6: This new knowledge, it is hoped, will help all of us deal better with the difficult and often painful years of transition from childhood to adulthood.
With reference to the properties of the magnetic lines of force, consider the following statements: 1. Magnetic lines of force outside the magnet, are from the north pole to the south pole. 2. If magnetic lines of force are parallel and equidistant, the magnetic field is uniform. Which of the following statements given above is/are correct?
Consider the following statements for piezoelectric materials: 1. All piezoelectric materials are ferroelectric materials also. 2. Piezoelectric materials have a high value of dielectric constant. Which of the above statements is/are correct?