Question

Which of the following is not showing the essential difference between electrostatic shielding by a conducting shell and magneto-static shielding. ?

• A. Electrostatic field lines can end on charges and conductors have free charges
• B. Magnetic field lines can end but conductors cannot end them
• C. Lines of magnetic field cannot end on any material and perfect shielding is not possible
• D. Shells of high permeability materials can be used to divert lines of magnetic field from the interior region

Answer 1

Answer: (B)

Magnetic field lines can end but conductors cannot end them

Option (a), (c) and (d) all are correct about electrostatic shielding and magnetostatic shielding.