Skip to main content
Electrical Engineering

Return to Question

minor english edits and added MathJax notation
Source Link
edit approved Dec 4, 2020 at 9:05
relayman357
edit approved Dec 4, 2020 at 9:05
relayman357
  • 3.5k
  • 1
  • 10
  • 20

I am doing some problems in linear and nonlinear circuit analysis, so I have a question...why is the voltage on an inductor is represented as V=Ldi/dt\$V=L\frac{di}{dt}\$ instead of V=-Ldi/dt\$V=-L\frac{di}{dt}\$, I know -Ldi/dt\$-L\frac{di}{dt}\$ is back EMF, but why is voltage written without the minus...Can? Can someone explain...?

I am doing some problems in linear and nonlinear circuit analysis, so I have a question...why the voltage on inductor is represented as V=Ldi/dt instead of V=-Ldi/dt, I know -Ldi/dt is back EMF, but why is voltage written without minus...Can someone explain...

I am doing some problems in linear and nonlinear circuit analysis, so I have a question...why is the voltage on an inductor represented as \$V=L\frac{di}{dt}\$ instead of \$V=-L\frac{di}{dt}\$, I know \$-L\frac{di}{dt}\$ is back EMF, but why is voltage written without the minus? Can someone explain?

Source Link
Matija Stankovic
Matija Stankovic
  • 3
  • 1

Positive Voltage on inductor

I am doing some problems in linear and nonlinear circuit analysis, so I have a question...why the voltage on inductor is represented as V=Ldi/dt instead of V=-Ldi/dt, I know -Ldi/dt is back EMF, but why is voltage written without minus...Can someone explain...