This should be easy but I've spent too much time on it.
"How much voltage is dropped over a 150milliFarad cap after 3.33 seconds if it's charged by a 50v source through a 22K resistor?"
It's actually answered over here already.
https://answers.yahoo.com/question/index?qid=20130625103720AALu4qM
The textbook says Vc=Vie^(-t/RC)
I don't get why the Yahoo answer has a 1-e in it. What is the 1 doing there? If I copy Yahoo's work, it comes out ok, but if I go with the textbook I get 18v or something wrong.
Thanks for any help on this.
"How much voltage is dropped over a 150milliFarad cap after 3.33 seconds if it's charged by a 50v source through a 22K resistor?"
It's actually answered over here already.
https://answers.yahoo.com/question/index?qid=20130625103720AALu4qM
The textbook says Vc=Vie^(-t/RC)
I don't get why the Yahoo answer has a 1-e in it. What is the 1 doing there? If I copy Yahoo's work, it comes out ok, but if I go with the textbook I get 18v or something wrong.
Thanks for any help on this.