[NSRCA-discussion] JR and un-regulated 6V

[twtaylor]

Or just use an 1156 bulb and holder

 

  _____  

From: nsrca-discussion-bounces at lists.nsrca.org
[mailto:nsrca-discussion-bounces at lists.nsrca.org] On Behalf Of Bob Richards
Sent: Friday, June 16, 2006 7:37 AM
To: NSRCA Mailing List
Subject: Re: [NSRCA-discussion] JR and un-regulated 6V

 

Anthony,

 

Resistance (ohms) = voltage / current (amps)

 

6v / 0.5a = 12 ohms.

 

Now, for power rating in watts:

 

P = current (amps) x volts.

 

0.5 x 6 = 3 watts.

 

Now, the trick is to find a resistor that size. Radio Shack probably won't
have one that size. But, you can put multiple resistors together to get the
resistance and wattage you need.

 

Radio Shack has (at least on their website) 100 ohm 1/2 watt resistors. You
can parallel 8 of these to get 12.5 ohms and 4 watts. Should be close enough
for your purpose.

 

Bob R.

 

 



Anthony Romano <anthonyr105 at hotmail.com> wrote:

Good idea. Could someone suggest a resistor for 500mah load on 6v for the 
electrically impaired?

Anthony



-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.nsrca.org/pipermail/nsrca-discussion/attachments/20060616/ef993942/attachment-0001.html