Resistance at switch position n for multi range Ammeter Calculator

✖Resistance at Switch Position 1 is the value of the first shunt resistance in the multi range ammeter setup.ⓘ Resistance at Switch Position 1 [R₁]			+10% -10%
✖Meter Resistance refers to the inherent electrical resistance present within a measuring instrument. It is the resistance that the instrument itself presents to the flow of electric current.ⓘ Meter Resistance [R_m]			+10% -10%
✖Nth Multiplying Factor is the multiplying power of coil associated with the nth resistor in multi range ammeter.ⓘ Nth Multiplying Factor [m_n]			+10% -10%

✖Resistance at nth Switch Position is the nth number of resistances in multirange permanent magnet moving coil ammeter.ⓘ Resistance at switch position n for multi range Ammeter [R_sn]

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Formula

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Resistance at switch position n for multi range Ammeter

Formula

R sn = \frac{R 1 + R m}{m n}

Example

7.894737 Ω = \frac{120 Ω + 30 Ω}{19}

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Resistance at switch position n for multi range Ammeter Solution

STEP 0: Pre-Calculation Summary

Formula Used

Resistance at nth Switch Position = (Resistance at Switch Position 1+Meter Resistance)/Nth Multiplying Factor
R_sn = (R₁+R_m)/m_n
This formula uses 4 Variables

Variables Used

Resistance at nth Switch Position - (Measured in Ohm) - Resistance at nth Switch Position is the nth number of resistances in multirange permanent magnet moving coil ammeter.
Resistance at Switch Position 1 - (Measured in Ohm) - Resistance at Switch Position 1 is the value of the first shunt resistance in the multi range ammeter setup.
Meter Resistance - (Measured in Ohm) - Meter Resistance refers to the inherent electrical resistance present within a measuring instrument. It is the resistance that the instrument itself presents to the flow of electric current.
Nth Multiplying Factor - Nth Multiplying Factor is the multiplying power of coil associated with the nth resistor in multi range ammeter.

STEP 1: Convert Input(s) to Base Unit

Resistance at Switch Position 1: 120 Ohm --> 120 Ohm No Conversion Required
Meter Resistance: 30 Ohm --> 30 Ohm No Conversion Required
Nth Multiplying Factor: 19 --> No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

R_sn = (R₁+R_m)/m_n --> (120+30)/19

Evaluating ... ...

R_sn = 7.89473684210526

STEP 3: Convert Result to Output's Unit

7.89473684210526 Ohm --> No Conversion Required

FINAL ANSWER

7.89473684210526 ≈ 7.894737 Ohm <-- Resistance at nth Switch Position

(Calculation completed in 00.004 seconds)

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Created by Nikita Suryawanshi

Vellore Institute of Technology (VIT), Vellore

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< Ammeter Calculators

Rsh of PMMC based Ammeter

Go Shunt Resistance = (Meter Current*Meter Resistance)/(Electric Current-Meter Current)

Resistance at switch position n for multi range Ammeter

Go Resistance at nth Switch Position = (Resistance at Switch Position 1+Meter Resistance)/Nth Multiplying Factor

Nth resistance in multi-range Ammeter

Go Nth Multiplier Resistance = Meter Resistance/(Nth Multiplying Factor-1)

m of PMMC based Ammeter

Go Multiplying Power = 1+(Meter Resistance/Shunt Resistance)

Resistance at switch position n for multi range Ammeter Formula

Resistance at nth Switch Position = (Resistance at Switch Position 1+Meter Resistance)/Nth Multiplying Factor
R_sn = (R₁+R_m)/m_n

What is multi range Ammeter?

The basic idea of a multirange ammeter is to make the meter usable over a wide range of voltages. In order to accomplish this, each range must utilize a different shunt resistance.

What is multi range Ammeter?

The basic idea of a multirange ammeter is to make the meter usable over a wide range of voltages. In order to accomplish this, each range must utilize a different shunt resistance.

How to Calculate Resistance at switch position n for multi range Ammeter?

Resistance at switch position n for multi range Ammeter calculator uses Resistance at nth Switch Position = (Resistance at Switch Position 1+Meter Resistance)/Nth Multiplying Factor to calculate the Resistance at nth Switch Position, The Resistance at switch position n for multi range Ammeter formula is defined as the specific shunt resistor value that is used when the ammeter is set to its n-th range. This shunt resistor is critical in determining the amount of current that bypasses the sensitive meter movement, allowing the ammeter to measure higher currents without damaging the meter. Resistance at nth Switch Position is denoted by R_sn symbol.

How to calculate Resistance at switch position n for multi range Ammeter using this online calculator? To use this online calculator for Resistance at switch position n for multi range Ammeter, enter Resistance at Switch Position 1 (R₁), Meter Resistance (R_m) & Nth Multiplying Factor (m_n) and hit the calculate button. Here is how the Resistance at switch position n for multi range Ammeter calculation can be explained with given input values -> 7.894737 = (120+30)/19.

FAQ

What is Resistance at switch position n for multi range Ammeter?

The Resistance at switch position n for multi range Ammeter formula is defined as the specific shunt resistor value that is used when the ammeter is set to its n-th range. This shunt resistor is critical in determining the amount of current that bypasses the sensitive meter movement, allowing the ammeter to measure higher currents without damaging the meter and is represented as R_sn = (R₁+R_m)/m_n or Resistance at nth Switch Position = (Resistance at Switch Position 1+Meter Resistance)/Nth Multiplying Factor. Resistance at Switch Position 1 is the value of the first shunt resistance in the multi range ammeter setup, Meter Resistance refers to the inherent electrical resistance present within a measuring instrument. It is the resistance that the instrument itself presents to the flow of electric current & Nth Multiplying Factor is the multiplying power of coil associated with the nth resistor in multi range ammeter.

How to calculate Resistance at switch position n for multi range Ammeter?

The Resistance at switch position n for multi range Ammeter formula is defined as the specific shunt resistor value that is used when the ammeter is set to its n-th range. This shunt resistor is critical in determining the amount of current that bypasses the sensitive meter movement, allowing the ammeter to measure higher currents without damaging the meter is calculated using Resistance at nth Switch Position = (Resistance at Switch Position 1+Meter Resistance)/Nth Multiplying Factor. To calculate Resistance at switch position n for multi range Ammeter, you need Resistance at Switch Position 1 (R₁), Meter Resistance (R_m) & Nth Multiplying Factor (m_n). With our tool, you need to enter the respective value for Resistance at Switch Position 1, Meter Resistance & Nth Multiplying Factor and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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