Nikita Suryawanshi
Vellore Institute of Technology (VIT), Vellore
Nikita Suryawanshi has created this Calculator and 100+ more calculators!
Payal Priya
Birsa Institute of Technology (BIT), Sindri
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11 Other formulas that you can solve using the same Inputs

m of Moving Iron Ammeter
Multiplying Power=(Rm/Rsh)*sqrt((1+((Omega*Inductance)/Rm)^2)/(1+((Omega*Shunt Inductance)/Rsh)^2)) GO
Voltage of Moving Iron Voltmeter
Meter Voltage=Im*sqrt((Rm+Rs)^2+(Omega*Inductance)^2) GO
R<sub>s</sub> for AC Operation (Full Wave)
Rs=(RMS value*Sensitivity (ac))-Rm-(2*R diode) GO
R<sub>s</sub> for AC Operation (Half Wave)
Rs=(RMS value*Sensitivity (ac))-Rm-R diode GO
R<sub>s</sub> for DC Operation (Full Wave)
Rs=(RMS value*Sensitivity)-Rm-(2*R diode) GO
AC Voltage
Meter Voltage=Peak Value*sin(Omega*Time) GO
R<sub>s</sub> for DC Operation (Half Wave)
Rs=(RMS value*Sensitivity)-Rm-R diode GO
R<sub>sh</sub> of PMMC based Ammeter
Rsh=(Im*Rm)/(Current (measured)-Im) GO
R<sub>s</sub> of PMMC based voltmeter
Rs=(Voltage (full range)/Im)-Rm GO
m of PMMC based Ammeter
Multiplying Power=(1+Rm)/Rsh GO
m of PMMC based voltmeter
Multiplying Power=1+(Rs/Rm) GO

3 Other formulas that calculate the same Output

m of Moving Iron Ammeter
Multiplying Power=(Rm/Rsh)*sqrt((1+((Omega*Inductance)/Rm)^2)/(1+((Omega*Shunt Inductance)/Rsh)^2)) GO
m of PMMC based Ammeter
Multiplying Power=(1+Rm)/Rsh GO
m of PMMC based voltmeter
Multiplying Power=1+(Rs/Rm) GO

m of Moving Iron Voltmeter Formula

Multiplying Power=sqrt(((Rm+Rs)^2+(Omega*Inductance)^2)/((Rm)^2+(Omega*Inductance)^2))
m=sqrt(((Rₘ+Rₛ)^2+(ω*L)^2)/((Rₘ)^2+(ω*L)^2))
More formulas
Deflecting Torque of Moving Iron GO
Angular Deflection of Moving Iron GO
m of Moving Iron Ammeter GO
Time Constant of Moving Iron Ammeter GO
Voltage of Moving Iron Voltmeter GO

What is Moving Iron Instrument?

A moving-iron instrument is generally used to measure alternating voltages and currents. The moving element is an iron vane/plate. This iron is moved in a magnetic field produced by a stationary coil, which is excited by the current. On excitement, the coil behaves as an electromagnet, and the vane moves in such a way that the flux increases. Force is produced in the direction which results in the increment of coil inductance

How to Calculate m of Moving Iron Voltmeter?

m of Moving Iron Voltmeter calculator uses Multiplying Power=sqrt(((Rm+Rs)^2+(Omega*Inductance)^2)/((Rm)^2+(Omega*Inductance)^2)) to calculate the Multiplying Power, The m of Moving Iron Voltmeter gives the overall multiplying power of the voltmeter based on the moving iron instrument. Multiplying Power and is denoted by m symbol.

How to calculate m of Moving Iron Voltmeter using this online calculator? To use this online calculator for m of Moving Iron Voltmeter, enter Rm (Rₘ), Rs (Rₛ), Omega (ω) and Inductance (L) and hit the calculate button. Here is how the m of Moving Iron Voltmeter calculation can be explained with given input values -> 1.0004 = sqrt(((5+10)^2+(10*50)^2)/((5)^2+(10*50)^2)).

FAQ

What is m of Moving Iron Voltmeter?
The m of Moving Iron Voltmeter gives the overall multiplying power of the voltmeter based on the moving iron instrument and is represented as m=sqrt(((Rₘ+Rₛ)^2+(ω*L)^2)/((Rₘ)^2+(ω*L)^2)) or Multiplying Power=sqrt(((Rm+Rs)^2+(Omega*Inductance)^2)/((Rm)^2+(Omega*Inductance)^2)). Rm is the internal resistance of the coil in PMMC instrument, Rs is the value of series resistance attached in the pmmc based voltmeter, Omega gives the angular velocity effective on the ammeter, proportional to the supplied frequency and Inductance is the value of the meter inductance.
How to calculate m of Moving Iron Voltmeter?
The m of Moving Iron Voltmeter gives the overall multiplying power of the voltmeter based on the moving iron instrument is calculated using Multiplying Power=sqrt(((Rm+Rs)^2+(Omega*Inductance)^2)/((Rm)^2+(Omega*Inductance)^2)). To calculate m of Moving Iron Voltmeter, you need Rm (Rₘ), Rs (Rₛ), Omega (ω) and Inductance (L). With our tool, you need to enter the respective value for Rm, Rs, Omega and Inductance and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
How many ways are there to calculate Multiplying Power?
In this formula, Multiplying Power uses Rm, Rs, Omega and Inductance. We can use 3 other way(s) to calculate the same, which is/are as follows -
  • Multiplying Power=(1+Rm)/Rsh
  • Multiplying Power=1+(Rs/Rm)
  • Multiplying Power=(Rm/Rsh)*sqrt((1+((Omega*Inductance)/Rm)^2)/(1+((Omega*Shunt Inductance)/Rsh)^2))
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