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Unread 10-11-2005, 18:26
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Quick question relating voltage across compacitor
Im doing a problem and I am slightly confused about the voltage across a compacitor. I know it is either:
(1/C)integral(i)+v(0)
or
(1/C)(integral(i)+v(0))
Which one is it?
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Unread 10-11-2005, 18:30
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Re: Quick question relating voltage across compacitor
Quote:
Originally Posted by Adam Y.
Im doing a problem and I am slightly confused about the voltage across a compacitor. I know it is either:
(1/C)integral(i)+v(0)
or
(1/C)(integral(i)+v(0))
Which one is it?
The first one. The v(0) takes the place of the constant C that you get in generic integration. It's the initial voltage of the capacitor. In most cases, the initial voltage is zero.

Matt
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Unread 11-11-2005, 19:39
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Re: Quick question relating voltage across compacitor
Quote:
Originally Posted by Matt Leese
The first one. The v(0) takes the place of the constant C that you get in generic integration. It's the initial voltage of the capacitor. In most cases, the initial voltage is zero.

Matt
Yeah. That's what I copied down thanks. I just wanted to make sure I did not leave out a parenthesis because doing that results in two completely differnt problems.
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Last edited by Adam Y. : 11-11-2005 at 19:42.
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