What do a shunt do , anyway ?
I was looking at a meter and it said shunt required , Why ?
Forum Discussion
DrewE wrote:I thought it was an internal shunt. Learn something new every day.
For smaller currents, there are actual analog DC ammeters that don't measure the voltage across a shunt. They have a coil driving the meter that's wound with a few turns of heavy wire, and respond to the magnetic field that's directly proportional to the current. (Indeed, analog voltmeters are arguably really ammeters as well, as it's the current through the coil in the meter that drives the movement.)
