How to Calculate Rsh of PMMC based Ammeter?
R_{sh} of PMMC based Ammeter calculator uses Rsh=(Im*Rm)/(Current (measured)-Im) to calculate the Rsh, The R_{sh} of PMMC based Ammeter formula is used to calculate the shunt resistance of the coil and find the current to be measured. Rsh and is denoted by Rₛₕ symbol.
How to calculate R_{sh} of PMMC based Ammeter using this online calculator? To use this online calculator for R_{sh} of PMMC based Ammeter, enter Im (Iₘ), Rm (Rₘ) and Current (measured) (I) and hit the calculate button. Here is how the R_{sh} of PMMC based Ammeter calculation can be explained with given input values -> 0.102039 = (0.5*5)/(25.0005-0.5).