- #1
otomanb
- 59
- 0
why the author is using negative sign there?
And here the problem is different the author is using different current flow signs and one answer is positive and other is negative why is this so?
See this?
http://i42.tinypic.com/2rqdj5w.jpg
And here the problem is different the author is using different current flow signs and one answer is positive and other is negative why is this so?
See this?
http://i42.tinypic.com/2rqdj5w.jpg
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