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Resistance at switch position n for multi range Ammeter Formula

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Resistance at nth Switch Position is the nth number of resistances in multirange permanent magnet moving coil ammeter. Check FAQs

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

R_sn - Resistance at nth Switch Position?R₁ - Resistance at Switch Position 1?R_m - Meter Resistance?m_n - Nth Multiplying Factor?

Resistance at switch position n for multi range Ammeter Example

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Here is how the Resistance at switch position n for multi range Ammeter equation looks like with Values.

Here is how the Resistance at switch position n for multi range Ammeter equation looks like with Units.

Here is how the Resistance at switch position n for multi range Ammeter equation looks like.

7.8947 = \frac{120 + 30}{19}

7.8947Ω = \frac{120Ω + 30Ω}{19}

7.8947 = \frac{120 + 30}{19}

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Resistance at switch position n for multi range Ammeter Solution

Follow our step by step solution on how to calculate Resistance at switch position n for multi range Ammeter?

FIRST Step Consider the formula

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

Next Step Substitute values of Variables

∴

R sn = \frac{120Ω + 30Ω}{19}

Next Step Prepare to Evaluate

∴

R sn = \frac{120 + 30}{19}

Next Step Evaluate

∴

R sn = 7.89473684210526Ω

LAST Step Rounding Answer

∴

R sn = 7.8947Ω

Resistance at switch position n for multi range Ammeter Formula Elements

Variables

Resistance at nth Switch Position

Resistance at nth Switch Position is the nth number of resistances in multirange permanent magnet moving coil ammeter.

Symbol: R_sn

Measurement: Electric ResistanceUnit: Ω

Note: Value should be greater than 0.

Formulas to find Resistance at nth Switch Position

Resistance at Switch Position 1

Resistance at Switch Position 1 is the value of the first shunt resistance in the multi range ammeter setup.

Symbol: R₁

Measurement: Electric ResistanceUnit: Ω

Note: Value should be greater than 0.

Formulas to find Resistance at Switch Position 1

Meter Resistance

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.

Symbol: R_m

Measurement: Electric ResistanceUnit: Ω

Note: Value can be positive or negative.

Formulas to find Meter Resistance

Nth Multiplying Factor

Nth Multiplying Factor is the multiplying power of coil associated with the nth resistor in multi range ammeter.

Symbol: m_n

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Nth Multiplying Factor

Other formulas in Ammeter category

Go Rsh of PMMC based Ammeter

R sh = \frac{I m \cdot R m}{I - I m}

Go m of PMMC based Ammeter

m = 1 + (\frac{R m}{R sh})

Go Nth resistance in multi-range Ammeter

R n = \frac{R m}{m n - 1}

Go m of Moving Iron Ammeter

m = (\frac{R m}{R sh}) \cdot \sqrt{\frac{1 + {(\frac{ω \cdot L}{R m})}^{2}}{1 + {(\frac{ω \cdot L sh}{R sh})}^{2}}}

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

Resistance at switch position n for multi range Ammeter evaluator uses Resistance at nth Switch Position = (Resistance at Switch Position 1+Meter Resistance)/Nth Multiplying Factor to evaluate 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 evaluate Resistance at switch position n for multi range Ammeter using this online evaluator? To use this online evaluator 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.

FAQs on Resistance at switch position n for multi range Ammeter

What is the formula to find Resistance at switch position n for multi range Ammeter?

The formula of Resistance at switch position n for multi range Ammeter is expressed as Resistance at nth Switch Position = (Resistance at Switch Position 1+Meter Resistance)/Nth Multiplying Factor. Here is an example- 7.894737 = (120+30)/19.

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

With Resistance at Switch Position 1 (R₁), Meter Resistance (R_m) & Nth Multiplying Factor (m_n) we can find Resistance at switch position n for multi range Ammeter using the formula - Resistance at nth Switch Position = (Resistance at Switch Position 1+Meter Resistance)/Nth Multiplying Factor.

Can the Resistance at switch position n for multi range Ammeter be negative?

No, the Resistance at switch position n for multi range Ammeter, measured in Electric Resistance cannot be negative.

Which unit is used to measure Resistance at switch position n for multi range Ammeter?

Resistance at switch position n for multi range Ammeter is usually measured using the Ohm[Ω] for Electric Resistance. Megohm[Ω], Microhm[Ω], Volt per Ampere[Ω] are the few other units in which Resistance at switch position n for multi range Ammeter can be measured.

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Resistance at switch position n for multi range Ammeter Formula

Resistance at switch position n for multi range Ammeter Example

Resistance at switch position n for multi range Ammeter Solution

Resistance at switch position n for multi range Ammeter Formula Elements

Other formulas in Ammeter category

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

FAQs on Resistance at switch position n for multi range Ammeter

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