EASY
12th West Bengal Board
IMPORTANT
Earn 100
What is permittivity of a medium ? Does it depend on the unit chosen ? If so, how ?
Important Questions on Interaction of Charged Particles, Electric Field and Potential
EASY
12th West Bengal Board
IMPORTANT
State the properties of electric field lines. How attraction and repulsion between electric charges may be explained with the properties of field lines?
EASY
12th West Bengal Board
IMPORTANT
Define intensity at a point in an electric field. How intensity at a point is defined in terms of field lines ?
EASY
12th West Bengal Board
IMPORTANT
Why are the lines of forces perpendicular to equipotential surface ?
EASY
12th West Bengal Board
IMPORTANT
If electric potential at a point is zero then electric field intensity must be zero.Give reasons with an example.
EASY
12th West Bengal Board
IMPORTANT
Can electric potential exist at a point where electric field intensity is zero ?
EASY
12th West Bengal Board
IMPORTANT
Justify : 'Electric field lines meet the surface of a conductor normally'
EASY
12th West Bengal Board
IMPORTANT
'Electric field line cannot begin and end on the same conductor'-Explain the reason.
EASY
12th West Bengal Board
IMPORTANT
Explain why two lines of force cannot intersect at a point.
