Electric And Mag Flashcards
1
Q
What is Coulomb’s law:
A
F1 on 2 = F2 on 1
F=kq1q2/ r^2
2
Q
What is k in Coulomb’s law?
A
Electrostatic constant 8.99x10^9 NM^2C^-2
3
Q
What is ε0?
A
Permativity constant
ε0=1/4 π k = 8.85x10^-12 C^2N^-1M^2
4
Q
->Fj=
A
1kqq/4 πε0r^3
5
Q
What did faraday theorise?
A
1 big field which everything responds too
6
Q
->E =
Electric field strength =
(2 equations)
A
->F(xyz)/q
(1q/4pi ε0r^2) r(hat)
7
Q
-> F on q=
A
F1+ F2 …
8
Q
E(net)=
A
F(on q)/q
F1/q+ F2/q …..
9
Q
Look at lesson 4
A
