Potentiometers in Analog Inputs

...when you see someone post about something they don’t like, please don’t post another “I’m sick of all this whining” type of post. If you disagree with them, try to offer an intelligent argument back. - Phil 33 [more]

		Chief Delphi > Technical > Technical Discussion
Potentiometers in Analog Inputs

Thread Tools

Rate Thread

Display Modes

12-11-2008, 00:38

EricVanWyk EricVanWyk is offline

Registered User

no team

Join Date: Jan 2007

Rookie Year: 2000

Location: Boston

Posts: 1,597

EricVanWyk has a reputation beyond repute

Re: Potentiometers in Analog Inputs

Quote:

Originally Posted by rsisk

At the risk of looking like an EE neophyte, can you explain how amperage draw, the resistance (ohms) and the energy dissipated are related? There must be a formula for that.

Thanks

Sure, I used these to remember:
V = C R (even if it blinks 12:00 forever)
P = V C
V(olts) C(urrent) R(esistance) P(ower)

To do your calculation, I took:
Power = Voltage^2 / resistance

To double check, you can use the google calculator - It does units! Just google "(5V)^2/22 ohms"

« Previous Thread | Portal | Next Thread »

Thread Tools
Show Printable Version Email this Page
Display Modes	Rate This Thread
Switch to Linear Mode Switch to Hybrid Mode Threaded Mode	Rate This Thread:

Posting Rules
You may not post new threads You may not post replies You may not post attachments You may not edit your posts vB code is On Smilies are On [IMG] code is On HTML code is Off

Forum Jump

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
Help! Analog Inputs!!	brennerator	Programming	7	11-02-2007 15:48
Analog Inputs	bush	Programming	5	13-03-2006 17:49
Analog Inputs prob.	Bharat Nain	Programming	2	07-02-2004 20:48
Failing analog inputs?	Phasmatis568	Control System	5	22-01-2004 13:28
Analog Inputs	316_programer	Technical Discussion	2	05-02-2002 05:53

All times are GMT -5. The time now is 18:57.

The Chief Delphi Forums are sponsored by Innovation First International, Inc.