Unknown Resistance in Kelvin Bridge Calculator

✖Resistance 1 in Kelvin Bridge is a precise resistor with a known resistance value connected in series with the unknown resistor.ⓘ Resistance 1 in Kelvin Bridge [R_1(kb)]			+10% -10%
✖Resistance 3 in Kelvin Bridge also known as the "nulling resistor," it is adjustable and used to balance the bridge.ⓘ Resistance 3 in Kelvin Bridge [R_3(kb)]			+10% -10%
✖Resistance 2 in Kelvin Bridge is a another precise resistor with a known resistance value. connected in parallel with the unknown resistor.ⓘ Resistance 2 in Kelvin Bridge [R_2(kb)]			+10% -10%

✖Unknown Resistance in Kelvin Bridge refers to the electrical resistance that you want to measure accurately and is typically connected in series with a known resistor to create an arm of the bridge.ⓘ Unknown Resistance in Kelvin Bridge [R_x]

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Formula

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Unknown Resistance in Kelvin Bridge

Formula

`"R"_{"x"} = "R"_{"1(kb)"}*"R"_{"3(kb)"}/"R"_{"2(kb)"}`

Example

`"16Ω"="10Ω"*"32Ω"/"20Ω"`

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Unknown Resistance in Kelvin Bridge Solution

STEP 0: Pre-Calculation Summary

Formula Used

Unknown Resistance in Kelvin Bridge = Resistance 1 in Kelvin Bridge*Resistance 3 in Kelvin Bridge/Resistance 2 in Kelvin Bridge
R_x = R_1(kb)*R_3(kb)/R_2(kb)
This formula uses 4 Variables

Variables Used

Unknown Resistance in Kelvin Bridge - (Measured in Ohm) - Unknown Resistance in Kelvin Bridge refers to the electrical resistance that you want to measure accurately and is typically connected in series with a known resistor to create an arm of the bridge.
Resistance 1 in Kelvin Bridge - (Measured in Ohm) - Resistance 1 in Kelvin Bridge is a precise resistor with a known resistance value connected in series with the unknown resistor.
Resistance 3 in Kelvin Bridge - (Measured in Ohm) - Resistance 3 in Kelvin Bridge also known as the "nulling resistor," it is adjustable and used to balance the bridge.
Resistance 2 in Kelvin Bridge - (Measured in Ohm) - Resistance 2 in Kelvin Bridge is a another precise resistor with a known resistance value. connected in parallel with the unknown resistor.

STEP 1: Convert Input(s) to Base Unit

Resistance 1 in Kelvin Bridge: 10 Ohm --> 10 Ohm No Conversion Required
Resistance 3 in Kelvin Bridge: 32 Ohm --> 32 Ohm No Conversion Required
Resistance 2 in Kelvin Bridge: 20 Ohm --> 20 Ohm No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

R_x = R_1(kb)*R_3(kb)/R_2(kb) --> 10*32/20

Evaluating ... ...

R_x = 16

STEP 3: Convert Result to Output's Unit

16 Ohm --> No Conversion Required

FINAL ANSWER

16 Ohm <-- Unknown Resistance in Kelvin Bridge

(Calculation completed in 00.004 seconds)

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Created by Nikita Suryawanshi

Vellore Institute of Technology (VIT), Vellore

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< 3 Kelvin Bridge Calculators

Voltage Balancing Resistance in Kelvin Bridge

Go Voltage Balancing Resistance in Kelvin Bridge = (Resistance 2 in Kelvin Bridge*Yoke Resistance in Kelvin Bridge)/(Resistance 2 in Kelvin Bridge+Resistance 1 in Kelvin Bridge)

Current balancing Resistance in Kelvin Bridge

Go Current balancing Resistance in Kelvin Bridge = (Resistance 1 in Kelvin Bridge*Yoke Resistance in Kelvin Bridge)/(Resistance 1 in Kelvin Bridge+Resistance 2 in Kelvin Bridge)

Unknown Resistance in Kelvin Bridge

Go Unknown Resistance in Kelvin Bridge = Resistance 1 in Kelvin Bridge*Resistance 3 in Kelvin Bridge/Resistance 2 in Kelvin Bridge

Unknown Resistance in Kelvin Bridge Formula

Unknown Resistance in Kelvin Bridge = Resistance 1 in Kelvin Bridge*Resistance 3 in Kelvin Bridge/Resistance 2 in Kelvin Bridge
R_x = R_1(kb)*R_3(kb)/R_2(kb)

For what range of resistance measurements is the Kelvin Bridge primarily used?

The Kelvin Bridge is highly effective for measuring very low resistance values, ranging from fractions of an ohm (Ω) down to microohms (μΩ). it is primarily used for measuring electrical resistance accurately and is most effective in applications where high precision and accuracy are required.

How to Calculate Unknown Resistance in Kelvin Bridge?

Unknown Resistance in Kelvin Bridge calculator uses Unknown Resistance in Kelvin Bridge = Resistance 1 in Kelvin Bridge*Resistance 3 in Kelvin Bridge/Resistance 2 in Kelvin Bridge to calculate the Unknown Resistance in Kelvin Bridge, Unknown Resistance in Kelvin Bridge is the value of an electrical resistance that, when connected in series with a known resistor (R₁) and balanced with an adjustable resistor (R₃) and another known resistor in parallel (R₂), results in a balanced bridge condition . Unknown Resistance in Kelvin Bridge is denoted by R_x symbol.

How to calculate Unknown Resistance in Kelvin Bridge using this online calculator? To use this online calculator for Unknown Resistance in Kelvin Bridge, enter Resistance 1 in Kelvin Bridge (R_1(kb)), Resistance 3 in Kelvin Bridge (R_3(kb)) & Resistance 2 in Kelvin Bridge (R_2(kb)) and hit the calculate button. Here is how the Unknown Resistance in Kelvin Bridge calculation can be explained with given input values -> 16 = 10*32/20.

FAQ

What is Unknown Resistance in Kelvin Bridge?

Unknown Resistance in Kelvin Bridge is the value of an electrical resistance that, when connected in series with a known resistor (R₁) and balanced with an adjustable resistor (R₃) and another known resistor in parallel (R₂), results in a balanced bridge condition and is represented as R_x = R_1(kb)*R_3(kb)/R_2(kb) or Unknown Resistance in Kelvin Bridge = Resistance 1 in Kelvin Bridge*Resistance 3 in Kelvin Bridge/Resistance 2 in Kelvin Bridge. Resistance 1 in Kelvin Bridge is a precise resistor with a known resistance value connected in series with the unknown resistor, Resistance 3 in Kelvin Bridge also known as the "nulling resistor," it is adjustable and used to balance the bridge & Resistance 2 in Kelvin Bridge is a another precise resistor with a known resistance value. connected in parallel with the unknown resistor.

How to calculate Unknown Resistance in Kelvin Bridge?

Unknown Resistance in Kelvin Bridge is the value of an electrical resistance that, when connected in series with a known resistor (R₁) and balanced with an adjustable resistor (R₃) and another known resistor in parallel (R₂), results in a balanced bridge condition is calculated using Unknown Resistance in Kelvin Bridge = Resistance 1 in Kelvin Bridge*Resistance 3 in Kelvin Bridge/Resistance 2 in Kelvin Bridge. To calculate Unknown Resistance in Kelvin Bridge, you need Resistance 1 in Kelvin Bridge (R_1(kb)), Resistance 3 in Kelvin Bridge (R_3(kb)) & Resistance 2 in Kelvin Bridge (R_2(kb)). With our tool, you need to enter the respective value for Resistance 1 in Kelvin Bridge, Resistance 3 in Kelvin Bridge & Resistance 2 in Kelvin Bridge 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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