Current Limiting Resistance for Series Type Ohmmeter Calculator

✖Half Scale Resistance refers to the resistance value halfway between the maximum and minimum resistance of a variable resistor or potentiometer, typically used to calibrate or set reference points.ⓘ Half Scale Resistance [R_h]			+10% -10%
✖Current Full Scale Reading represents the maximum current that the ohmmeter will pass through the resistor when it's being measured at its highest resistance value.ⓘ Current Full Scale Reading [I_f]			+10% -10%
✖Meter Resistance refers to the internal resistance of a measuring instrument. This resistance is inherent to the design of the instrument and affects the accuracy of measurements made by the device.ⓘ Meter Resistance [R_m]			+10% -10%
✖Voltage Source refers to as a fundamental element that supplies electrical energy to a circuit.ⓘ Voltage Source [E]			+10% -10%

✖Current Limiting Resistance refers to a resistor intentionally introduced into an electrical circuit to restrict the flow of current to a desired level.ⓘ Current Limiting Resistance for Series Type Ohmmeter [R₁]

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Current Limiting Resistance for Series Type Ohmmeter Solution

STEP 0: Pre-Calculation Summary

Formula Used

Current Limiting Resistance = Half Scale Resistance-((Current Full Scale Reading*Meter Resistance*Half Scale Resistance)/Voltage Source)
R₁ = R_h-((I_f*R_m*R_h)/E)
This formula uses 5 Variables

Variables Used

Current Limiting Resistance - (Measured in Ohm) - Current Limiting Resistance refers to a resistor intentionally introduced into an electrical circuit to restrict the flow of current to a desired level.
Half Scale Resistance - (Measured in Ohm) - Half Scale Resistance refers to the resistance value halfway between the maximum and minimum resistance of a variable resistor or potentiometer, typically used to calibrate or set reference points.
Current Full Scale Reading - (Measured in Ampere) - Current Full Scale Reading represents the maximum current that the ohmmeter will pass through the resistor when it's being measured at its highest resistance value.
Meter Resistance - (Measured in Ohm) - Meter Resistance refers to the internal resistance of a measuring instrument. This resistance is inherent to the design of the instrument and affects the accuracy of measurements made by the device.
Voltage Source - (Measured in Volt) - Voltage Source refers to as a fundamental element that supplies electrical energy to a circuit.

STEP 1: Convert Input(s) to Base Unit

Half Scale Resistance: 25 Ohm --> 25 Ohm No Conversion Required
Current Full Scale Reading: 0.2 Ampere --> 0.2 Ampere No Conversion Required
Meter Resistance: 75 Ohm --> 75 Ohm No Conversion Required
Voltage Source: 15.5 Volt --> 15.5 Volt No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

R₁ = R_h-((I_f*R_m*R_h)/E) --> 25-((0.2*75*25)/15.5)

Evaluating ... ...

R₁ = 0.806451612903224

STEP 3: Convert Result to Output's Unit

0.806451612903224 Ohm --> No Conversion Required

FINAL ANSWER

0.806451612903224 ≈ 0.806452 Ohm <-- Current Limiting Resistance

(Calculation completed in 00.022 seconds)

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Created by Nikita Suryawanshi

Vellore Institute of Technology (VIT), Vellore

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< Series Type Calculators

Half Scale Resistance for Series Type Ohmmeter

LaTeX Go Half Scale Resistance = (Voltage Source*Zero Adjusting Resistance)/(Current Full Scale Reading*Zero Adjusting Resistance+Current Full Scale Reading*Meter Resistance)

Shunt Adjustable Resistance for Series Type Ohmmeter

LaTeX Go Zero Adjusting Resistance = (Current Full Scale Reading*Half Scale Resistance*Meter Resistance)/(Voltage Source-(Current Full Scale Reading*Half Scale Resistance))

Current Limiting Resistance for Series Type Ohmmeter

LaTeX Go Current Limiting Resistance = Half Scale Resistance-((Current Full Scale Reading*Meter Resistance*Half Scale Resistance)/Voltage Source)

Current Limiting Resistance for Series Type Ohmmeter Formula

LaTeX Go

Current Limiting Resistance = Half Scale Resistance-((Current Full Scale Reading*Meter Resistance*Half Scale Resistance)/Voltage Source)
R₁ = R_h-((I_f*R_m*R_h)/E)

How to mark zero reading?

To mark zero reading on the scale, the terminals are shorted and R_x is made zero. Now, maximum current is flowing in the circuit and R₂ is adjusted till D'Arsonal movement indicates full-scale current.

How to Calculate Current Limiting Resistance for Series Type Ohmmeter?

Current Limiting Resistance for Series Type Ohmmeter calculator uses Current Limiting Resistance = Half Scale Resistance-((Current Full Scale Reading*Meter Resistance*Half Scale Resistance)/Voltage Source) to calculate the Current Limiting Resistance, The Current Limiting Resistance for Series Type Ohmmeter formula is defined as a resistor strategically placed within the circuit to constrain the flow of current passing through the meter and the component under test. This resistance is pivotal for safeguarding both the meter and the circuitry being measured from potentially harmful levels of current. Current Limiting Resistance is denoted by R₁ symbol.

How to calculate Current Limiting Resistance for Series Type Ohmmeter using this online calculator? To use this online calculator for Current Limiting Resistance for Series Type Ohmmeter, enter Half Scale Resistance (R_h), Current Full Scale Reading (I_f), Meter Resistance (R_m) & Voltage Source (E) and hit the calculate button. Here is how the Current Limiting Resistance for Series Type Ohmmeter calculation can be explained with given input values -> 22.90323 = 25-((0.2*75*25)/15.5).

FAQ

What is Current Limiting Resistance for Series Type Ohmmeter?

The Current Limiting Resistance for Series Type Ohmmeter formula is defined as a resistor strategically placed within the circuit to constrain the flow of current passing through the meter and the component under test. This resistance is pivotal for safeguarding both the meter and the circuitry being measured from potentially harmful levels of current and is represented as R₁ = R_h-((I_f*R_m*R_h)/E) or Current Limiting Resistance = Half Scale Resistance-((Current Full Scale Reading*Meter Resistance*Half Scale Resistance)/Voltage Source). Half Scale Resistance refers to the resistance value halfway between the maximum and minimum resistance of a variable resistor or potentiometer, typically used to calibrate or set reference points, Current Full Scale Reading represents the maximum current that the ohmmeter will pass through the resistor when it's being measured at its highest resistance value, Meter Resistance refers to the internal resistance of a measuring instrument. This resistance is inherent to the design of the instrument and affects the accuracy of measurements made by the device & Voltage Source refers to as a fundamental element that supplies electrical energy to a circuit.

How to calculate Current Limiting Resistance for Series Type Ohmmeter?

The Current Limiting Resistance for Series Type Ohmmeter formula is defined as a resistor strategically placed within the circuit to constrain the flow of current passing through the meter and the component under test. This resistance is pivotal for safeguarding both the meter and the circuitry being measured from potentially harmful levels of current is calculated using Current Limiting Resistance = Half Scale Resistance-((Current Full Scale Reading*Meter Resistance*Half Scale Resistance)/Voltage Source). To calculate Current Limiting Resistance for Series Type Ohmmeter, you need Half Scale Resistance (R_h), Current Full Scale Reading (I_f), Meter Resistance (R_m) & Voltage Source (E). With our tool, you need to enter the respective value for Half Scale Resistance, Current Full Scale Reading, Meter Resistance & Voltage Source 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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