A proton is released from rest, 10 cm from a charged sheet carrying charged density of `-2.21xx10^-9C//m^2`. It will strike the sheet after the time (approximately)

A alpha particle is released from rest 10 cm from a large sheet carrying a surface charge density of -2.21xx10^(-9)C//m^(2) . It will strike the sheet after the time. (in_(0)= 8.84xx10^(-22)C^(2)//Nm^(2))

A charged particle having a charge of -3muC is placed close to a sheet of charge having a surface charge density 5xx10^-6 Cm^-2 . Find the force of attraction between the particle and the sheet of charge.

A particle of mass 9xx10^-5 g is kept over a large horizontal sheet of charge having surface charge density 5x10^-5 C m^-2 What charge should be given to this particle so that if released, it does not fall down?

A particle of mass 9xx10^(-5) g is kept over a large horizontal sheet of charge density 5xx10^(-5)C m^(-2) . What charge should be given to the particle so that it does not fall on release ?

An infinite thin plane sheet of charge density 7.08xx10^(-11)(C//m^(2)) is held in air. Find the electric field at a point very close to the sheet.

A charged particle having a charge of - 3 mu C is placed close to a sheet of charge having a surface charge density 5 xx 10^(-6) Cm^(-2) . The force between the particle and sheet of charge is

An infinite thin plane sheet of charge density 7.08 xx 10^(-11)(C //m^(2)) is held in air. Find the electric field at a point very close to the sheet.

An infinite thin plane sheet of charge density 7.08 xx 10^(-11)(C //m^(2)) is held in air. Find the electric field at a point very close to the sheet.