Posted by Tom in TN on May 06, 2015 at 14:11:17 from (75.149.99.233):
In Reply to: Fuses posted by HenryO on May 06, 2015 at 13:33:11:
Henry,
I believe that the current in the circuit, consequently, the current through the fuse, will increase by 1/3 by powering the lights off the 8 volt battery instead of a 6 volt battery. One of the derivations of Ohm's law is: Current (I) = voltage (E) divided by resistance (R).
Unless you have installed a bulb that is specifically for an 8 volt application, or, unless you have added a small resistor in series with bulb in the circuit, you are now dividing the resistance of the light bulb into 8 volts instead of 6 volts. I believe that this will increase the current by about 33% .
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