Dielectric Constant Of Water
Water constitutes about 70% of earth. Some important distinguishing properties of water are high molar concentration, small dissociation constant and high dielectric constant.
Electrostatic Potential and Capacitance
An electrostatic force is a force caused by stationary electric charges /fields. The electrostatic force is caused by the transfer of electrons in conducting materials. Coulomb’s law determines the amount of force between two stationary, charged particles. The electric force is the force which acts between two stationary charges. It is also called Coulomb force.
Oppositely charged parallel plates are separated by 53.3 mm. A potential difference of 6000 V exists between the plates.
- a) What is the magnitude of the electric field, E, between the plates; see Figure (A) below?
An electron is placed in the middle of the parallel plates; see Figure (B) above.
b) What is the direction of electric force applied on the electron?
c)What is the magnitude of the force on the electron?
d) What is the kinetic energy when the electron moves from rest to reach the plate?
e)What is the speed of the electron when it hits the plate?
f)What is the acceleration of the electron?
g)What is the time interval for this motion?
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