E 2 π r = - dΦ(B)/dt E = - [1 / (2 π r)] dΦ(B)/dt B = Bo - k t dΦ(B)/dt = π r^2 dB/dt = - k π r^2 E = 1/2 k r E = 0.5*0.3*0.2 = 3x10^-2 V/m
1 Answers · Science & Mathematics · 30/04/2019
At least R. L. Stine has not fallen into the trap of using his stories as a platform for his political views.
8 Answers · Arts & Humanities · 21/05/2019
Potential from a charge is V = kQ/r in volts k = 1/4πε₀ = 8.99e9 Nm²/C² r is separation in meters q is charge in coulombs so the relationship is inverse, c
1 Answers · Science & Mathematics · 06/03/2019
Why are the R&S atheists (who are not representative of "normal"...
9 Answers · Society & Culture · 08/09/2019
A Christian on R&S just wrote that the human Jesus was nailed...
14 Answers · Society & Culture · 29/08/2019
I find that if I post questions in J&R in the morning (UK time) that there is a much greater chance of...
5 Answers · Entertainment & Music · 03/06/2019
Christians, can you name 2 R&S atheists that you really, truly admire? Atheists, can you name 2 R&S Christians that you really truly admire? Bender is awesome!!
11 Answers · Society & Culture · 10/03/2019