Current balancing Resistance in Kelvin Bridge Solution

STEP 0: Pre-Calculation Summary
Formula Used
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)
Rcb(kb) = (R1(kb)*Ryoke(kb))/(R1(kb)+R2(kb))
This formula uses 4 Variables
Variables Used
Current balancing Resistance in Kelvin Bridge - (Measured in Ohm) - Current balancing Resistance in Kelvin Bridge ensures that the current through known resistor in parallel with Rx is equal to the current through known resistor in series with Rx.
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.
Yoke Resistance in Kelvin Bridge - (Measured in Ohm) - Yoke Resistance in Kelvin Bridge refers to the electrical resistance that physically holds together the various components of the Kelvin 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
Yoke Resistance in Kelvin Bridge: 26 Ohm --> 26 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
Rcb(kb) = (R1(kb)*Ryoke(kb))/(R1(kb)+R2(kb)) --> (10*26)/(10+20)
Evaluating ... ...
Rcb(kb) = 8.66666666666667
STEP 3: Convert Result to Output's Unit
8.66666666666667 Ohm --> No Conversion Required
FINAL ANSWER
8.66666666666667 8.666667 Ohm <-- Current balancing Resistance in Kelvin Bridge
(Calculation completed in 00.020 seconds)

Credits

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

Current balancing Resistance in Kelvin Bridge Formula

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)
Rcb(kb) = (R1(kb)*Ryoke(kb))/(R1(kb)+R2(kb))

What is the significance of connecting a galvanometer at point b in a Kelvin Bridge?

When a galvanometer is connected at point b, it allows for a more accurate and sensitive measurement of the bridge balance. The effective resistance Rcb is used to calculate the balance condition in this configuration.

How to Calculate Current balancing Resistance in Kelvin Bridge?

Current balancing Resistance in Kelvin Bridge calculator uses 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) to calculate the Current balancing Resistance in Kelvin Bridge, Current balancing Resistance in Kelvin Bridge Rcb is used to balance the current flowing through the arms of the bridge .And ensures that the current through R2 (the known resistor in parallel with Rx) is equal to the current through R1 (the known resistor in series with Rx) when the bridge is balanced. Current balancing Resistance in Kelvin Bridge is denoted by Rcb(kb) symbol.

How to calculate Current balancing Resistance in Kelvin Bridge using this online calculator? To use this online calculator for Current balancing Resistance in Kelvin Bridge, enter Resistance 1 in Kelvin Bridge (R1(kb)), Yoke Resistance in Kelvin Bridge (Ryoke(kb)) & Resistance 2 in Kelvin Bridge (R2(kb)) and hit the calculate button. Here is how the Current balancing Resistance in Kelvin Bridge calculation can be explained with given input values -> 8.666667 = (10*26)/(10+20).

FAQ

What is Current balancing Resistance in Kelvin Bridge?
Current balancing Resistance in Kelvin Bridge Rcb is used to balance the current flowing through the arms of the bridge .And ensures that the current through R2 (the known resistor in parallel with Rx) is equal to the current through R1 (the known resistor in series with Rx) when the bridge is balanced and is represented as Rcb(kb) = (R1(kb)*Ryoke(kb))/(R1(kb)+R2(kb)) or 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). Resistance 1 in Kelvin Bridge is a precise resistor with a known resistance value connected in series with the unknown resistor, Yoke Resistance in Kelvin Bridge refers to the electrical resistance that physically holds together the various components of the Kelvin 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 Current balancing Resistance in Kelvin Bridge?
Current balancing Resistance in Kelvin Bridge Rcb is used to balance the current flowing through the arms of the bridge .And ensures that the current through R2 (the known resistor in parallel with Rx) is equal to the current through R1 (the known resistor in series with Rx) when the bridge is balanced is calculated using 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). To calculate Current balancing Resistance in Kelvin Bridge, you need Resistance 1 in Kelvin Bridge (R1(kb)), Yoke Resistance in Kelvin Bridge (Ryoke(kb)) & Resistance 2 in Kelvin Bridge (R2(kb)). With our tool, you need to enter the respective value for Resistance 1 in Kelvin Bridge, Yoke Resistance 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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