Devices to store chemical energy and convert it to electrical energy.

learn more… | top users | synonyms

-2
votes
1answer
238 views

Hard circuit problem [closed]

I want to find the p.d. between points A and B. I'm not sure how to approach this problem though, could I have a hint?
-3
votes
1answer
148 views

Whether a battery store energy or simply it makes energy? [closed]

There're some easy concepts which I don't get exactly in my mind. I've been studying these things for two years of my engineering but they still bother me. Battery is one of them. Can someone explain? ...
-4
votes
2answers
318 views

Basic Physics Question [closed]

I'm having a difficult time answering this question. I think I'm just converting the units wrong somewhere: You're the CEO of a courier company, and you decide to select an electric car for your ...