Unknown Resistance in Kelvin Bridge Formula

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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. Check FAQs
Rx=R1(kb)R3(kb)R2(kb)
Rx - Unknown Resistance in Kelvin Bridge?R1(kb) - Resistance 1 in Kelvin Bridge?R3(kb) - Resistance 3 in Kelvin Bridge?R2(kb) - Resistance 2 in Kelvin Bridge?

Unknown Resistance in Kelvin Bridge Example

With values
With units
Only example

Here is how the Unknown Resistance in Kelvin Bridge equation looks like with Values.

Here is how the Unknown Resistance in Kelvin Bridge equation looks like with Units.

Here is how the Unknown Resistance in Kelvin Bridge equation looks like.

16Edit=10Edit32Edit20Edit
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Unknown Resistance in Kelvin Bridge Solution

Follow our step by step solution on how to calculate Unknown Resistance in Kelvin Bridge?

FIRST Step Consider the formula
Rx=R1(kb)R3(kb)R2(kb)
Next Step Substitute values of Variables
Rx=10Ω32Ω20Ω
Next Step Prepare to Evaluate
Rx=103220
LAST Step Evaluate
Rx=16Ω

Unknown Resistance in Kelvin Bridge Formula Elements

Variables
Unknown Resistance in Kelvin Bridge
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.
Symbol: Rx
Measurement: Electric ResistanceUnit: Ω
Note: Value should be greater than 0.
Resistance 1 in Kelvin Bridge
Resistance 1 in Kelvin Bridge is a precise resistor with a known resistance value connected in series with the unknown resistor.
Symbol: R1(kb)
Measurement: Electric ResistanceUnit: Ω
Note: Value should be greater than 0.
Resistance 3 in Kelvin Bridge
Resistance 3 in Kelvin Bridge also known as the "nulling resistor," it is adjustable and used to balance the bridge.
Symbol: R3(kb)
Measurement: Electric ResistanceUnit: Ω
Note: Value should be greater than 0.
Resistance 2 in Kelvin Bridge
Resistance 2 in Kelvin Bridge is a another precise resistor with a known resistance value. connected in parallel with the unknown resistor.
Symbol: R2(kb)
Measurement: Electric ResistanceUnit: Ω
Note: Value should be greater than 0.

Other formulas in Kelvin Bridge category

​Go Voltage Balancing Resistance in Kelvin Bridge
Rab(kb)=R2(kb)Ryoke(kb)R2(kb)+R1(kb)
​Go Current balancing Resistance in Kelvin Bridge
Rcb(kb)=R1(kb)Ryoke(kb)R1(kb)+R2(kb)

How to Evaluate Unknown Resistance in Kelvin Bridge?

Unknown Resistance in Kelvin Bridge evaluator uses Unknown Resistance in Kelvin Bridge = Resistance 1 in Kelvin Bridge*Resistance 3 in Kelvin Bridge/Resistance 2 in Kelvin Bridge to evaluate 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 Rx symbol.

How to evaluate Unknown Resistance in Kelvin Bridge using this online evaluator? To use this online evaluator for Unknown Resistance in Kelvin Bridge, enter Resistance 1 in Kelvin Bridge (R1(kb)), Resistance 3 in Kelvin Bridge (R3(kb)) & Resistance 2 in Kelvin Bridge (R2(kb)) and hit the calculate button.

FAQs on Unknown Resistance in Kelvin Bridge

What is the formula to find Unknown Resistance in Kelvin Bridge?
The formula of Unknown Resistance in Kelvin Bridge is expressed as Unknown Resistance in Kelvin Bridge = Resistance 1 in Kelvin Bridge*Resistance 3 in Kelvin Bridge/Resistance 2 in Kelvin Bridge. Here is an example- 16 = 10*32/20.
How to calculate Unknown Resistance in Kelvin Bridge?
With Resistance 1 in Kelvin Bridge (R1(kb)), Resistance 3 in Kelvin Bridge (R3(kb)) & Resistance 2 in Kelvin Bridge (R2(kb)) we can find Unknown Resistance in Kelvin Bridge using the formula - Unknown Resistance in Kelvin Bridge = Resistance 1 in Kelvin Bridge*Resistance 3 in Kelvin Bridge/Resistance 2 in Kelvin Bridge.
Can the Unknown Resistance in Kelvin Bridge be negative?
No, the Unknown Resistance in Kelvin Bridge, measured in Electric Resistance cannot be negative.
Which unit is used to measure Unknown Resistance in Kelvin Bridge?
Unknown Resistance in Kelvin Bridge 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 Unknown Resistance in Kelvin Bridge can be measured.
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