When a charged particle such as an electron, proton or ion is in motion, magnetic lines of force rotate around the particle. Since electrical current moving through a wire consists of electrons in motion, there is a magnetic field around the wire. i hope u have smileing day
Answer:
or
.
Explanation:
<u>Given:</u>
- Charge on the particle at origin = Q.
- Mass of the moving charged particle,

- Charge on the moving charged particle,

- Distance of the moving charged particle from first at t = 0 time,

- Speed of the moving particle,

For the moving particle to circular motion, the electrostatic force between the two must be balanced by the centripetal force on the moving particle.
The electrostatic force on the moving particle due to the charge Q at origin is given by Coulomb's law as:

where,
is the Coulomb's constant having value 
The centripetal force on the moving particle due to particle at origin is given as:

For the two forces to be balanced,
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Answer:
The magnitude of the electric field intensity is
Explanation:
From the question we are told that
The voltage is 
The thickness of the membrane is
Generally the electric field intensity is mathematically represented as

substituting values

