Electrical Fields. Flashcards
1
Q
Define an electric field.
A
Force per unit positive charge.
2
Q
Define an electric field line.
A
An electric field line is the direction of a force on a positive charge.
3
Q
State coulomb’s law
A
Electric force is directly proportional to the product of the charges and it is inversely proportional to the square of their separation distance.
4
Q
Define electrical potential.
A
Work done per unit positive charge in bringing a small test charge from infinity to the point.
5
Q
What is an electron volt.
A
Is the amount of kinetic energy gained by an electron when accelerated by a pd of 1v. 1.6 x 10^-19 J.
