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.
Based on the given equipotential lines, what is the direction of the electric field at point 2?
b
g
c
h
e
a
d
f
Electric field /electric field line s are always perpendicular to the equipotential surface s.
At point 2 the equipotential surface has a potential 50 volts and increasing potential is towards +ve x axis and decreasing potential is towards -ve X axis. So direction of electric field is towards decreasing potential
So direction of electric field / electric field line is parallel towards -ve X axis.
And magnitude of electric field can be calculated as _ve gradiant of potential function.
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