Question

怎样用法拉第电磁感应定律求电荷量?

怎样用法拉第电磁感应定律求电荷量?
有一些公式，是怎么推导出来的呢？

Answer 1

1)感生感应
q=∫I*dt
=∫(E/R)*dt
=∫[ndΦ/(dtR)]*dt
=∫ndΦ/R
=n(Φ2-Φ1)/R
2)动生感应
q=∫I*dt
=∫(E/R)*dt
=∫(BLv/R)*dt
=∫BLds/R
=BLs/R

Answer 2

q=I*Δt
=(E/R)*Δt
=(nΔΦ/Δt/R)*Δt
=nΔΦ/R