Homework Help: physics

Posted by Crystal on Thursday, February 24, 2011 at 4:16pm.

A 10 amp fuse is connected in series to 4 identical 5 ohm resistors in parallel with each other. What is the maximum size battery that could be connected without blowing the fuse?

physics - Henry, Friday, February 25, 2011 at 7:49pm
Rt = 5/4 = 1.25 Ohms.
Vmax = I*Rt = 10 * 1.25 = 12.5 Volts.
physics - Crystal, Friday, February 25, 2011 at 9:57pm
Thanks Henry

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