Electrostatic Shielding
Physics ⇒ Electricity and Magnetism
Electrostatic Shielding starts at 10 and continues till grade 12.
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See sample questions for grade 10
A hollow metal shell is placed in a region with a strong electric field. What is the electric field inside the shell?
A metal sphere is placed in a uniform external electric field. What happens to the electric field inside the sphere?
A scientist wants to measure a very weak electric field. Should the measuring device be placed inside a metal box? Why or why not?
A sensitive instrument is placed inside a metal enclosure. What is the main reason for doing this?
A television cable is covered with a metallic braid. What is the purpose of this braid?
Describe how a Faraday cage works.
Explain why a car acts as a Faraday cage during a lightning strike.
Explain why a metal box can protect sensitive electronic equipment from external static electric fields.
Explain why a person sitting inside a metal car is safe during a thunderstorm.
What is electrostatic shielding?
Why is it important to use a closed conducting shell for effective electrostatic shielding?
