电场线处处平行的区域为什么是匀强电场？Why is the area where the Electric Field Line is parallel everywhere Uniform Electric Field?
举一反三
- Which statement as follows is right? A: The potential equals everywhere the magnitude of electric field intensity is equal. B: The magnitude of electric field intensity equals everywhere the potential is equal. C: The potential must be high where the magnitude of electric field intensity is great. D: The potential is not necessarily zero where the magnitude of electric field equals zero.
- On the ideal conductor surface, the relationship between the electric field lines and the conductor surface is A: the electric field lines is always pertendicular to the conductor surface. B: the electric field lines is always parallel to the conductor surface. C: there is no electri field lines exsited. D: unable to determine the relationship.
- 5.On the ideal conductor surface, the relationship between the electric field line and the conductor surface is ( ) A: Vertical B: Parallel C: is zero D: not sure
- The Biot-Savart Law is used to（ ） A: determine the magnetic field created by an electric current B: determine the electric field created by an electric current C: determine the force field created by an electric current D: determine the magnetic field created by individual point charges E: determine the electric field created by individual point charges
- The<br/>Biot-Savart Law is used to A: determine<br/>the electric field created by individual point charges B: determine<br/>the electric field created by an electric current C: determine<br/>the magnetic field created by individual point charges D: determine<br/>the magnetic field created by an electric current E: determine<br/>the force field created by an electric current