V=IR

I=V/R


Shunt Resistor:


Be careful about power rating.

P=I2

p=102 x 10Ω

= 1000w


Example Shunt for 12V :

Max Amp50A
R10 Ω
I = V(measured)/R8v/10 = 0.8A
P=I2

=502 x 10Ω

=250 kw