Calculate the magnitude of the electric field which can just balance a deuteron of mass `3.2xx10^(-27) kg`

Calculate the electric field strength which is required to just support a water drop of mass 10^(-3) kg and having a charge 1.6xx10^(-19)C .

Calculate the magnitude and direction of the electric field at a point P which is 30 cm to the right of a point charge Q = -3.0 xx 10^(-6) C

A beam of charged particle, having kinetic energy 10^3 eV , contains masses 8xx10^(-27) kg and 1.6xx10^(-26) kg emerge from the end of an accelerator tube. There is a plate at distance 10^2 m from the end of the tube and placed perpendicular to the beam. Calculate the magnitude of the smallest magnetic field which can prevent the beam from striking the plate.

Find the magnitude of the electric field at a point 4 cm away from a line charge of density 2 xx 10^(-6) C m^(-1) .

Imagine a short diploe at the center of a spherical surface. If the magnitude of the electric field at a certain point on the surface of he sphere is 10NC^(_1) then which of the following cannot be the magnitude of the electric field anywhere on the surface of the sphere?

A particle having a charge + 3 xx 10^(-9 )C is placed in a uniform electric field directed toward left. It is released from rest and moves a distance of 5 cm after which its kinetic energy is found to be 4.5 xx 10^(-5) J . (a) Calcnalate the work done by the electrical force on the particle (b) Calculate the magnitude of the electric field. (c) Calculate the potential of starting point with respect to the end point of particle's motion.

The magnitude and direction of the electric field at point P can be best represented by

Calculate the electric field strength required just to support a water drop of mass 10^(-7)kg having a charge 1.6 xx 10^(-19) C

A proton goes undflected in a crossed and magnetic field (the fields are perpendicular to each other) at a speed of 2.0X10^5 ms^(-1). The velocity is perpendicular to both the fields. When the electric field is switched off, the proton moves along a circle of radius 4.0 cm. Find the magnitudes of the electric and the magnetic fields. take the mass of the proton =1.6 X10^(-27) kg.

Calculate the electric field intensity which would be just sufficient to balance the weight of a particle of charge -10 muC and mass 10 mg. ("Take "g=10 ms^(2))