Essential difference between electrostatic shielding by a conducting shell and magnetostatic shielding is due to
(a) Electrostatic field lines can end on charges and conductors have free charges
(b) Lines of B can also end but conductors cannot end them
(c) Lines of B cannot end on any material and perfect shielding is not possible
(d) Shells of high permeability materials can be used to divert lines of B from the interior region
Essential difference between electrostatic shielding by a conducting shell and magnetostatic shielding is due to
(a) Electrostatic field lines can end on charges and conductors have free charges
(b) Lines of B can also end but conductors cannot end them
(c) Lines of B cannot end on any material and perfect shielding is not possible
(d) Shells of high permeability materials can be used to divert lines of B from the interior region
-
1 Answer
-
This is a Multiple Choice Questions as classified in NCERT Exemplar
Answer- (a, c, d)
Explanation- Electrostatic shielding is the phenomenon to block the effects of an electric field. The conducting shell can block the effects of an external field on its internal content or the effect of an internal field on the outside environment.
Magnetostatic shielding is done by using an enclosure made of a high permeability
magnetic material to prevent a static magnetic field outside the enclosure from reaching
objects inside it or to confine a magnetic field with in the enclosure.
Similar Questions for you
The main topic of this chapter includes - Ampere's Circuital Law, magnetic field lines, and Gauss's Law.
In JEE Main exam, it is a significant chapter. There can be 6 to 8 questions from this chapter, a weightage of nearly 6.6%.
The exact weightage varies from year to year. This chapter comes under a broader category which can be "Magnetism" or "Modern Physics". In NEET exam, the chapter's weightage is low to moderate and there can be 6-7% of questions from this chapter.
The chapter is one of the small and easy chapter of class 12 Physics. It includes - properties of magnetic materials, magnetic dipoles, and Earth's magnetic field.
When the electric charges moves, it creates attraction or repulsion. It creates magnetic forces and fields and called magnetism. The term "magnetism and matter" talks about the way magnetic forces and matter interact.
Taking an Exam? Selecting a College?
Get authentic answers from experts, students and alumni that you won't find anywhere else
Sign Up on ShikshaOn Shiksha, get access to
- 65k Colleges
- 1.2k Exams
- 687k Reviews
- 1800k Answers