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Half Scale Resistance for Series Type Ohmmeter Formula

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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. Check FAQs

R h = \frac{E \cdot R 2}{I f \cdot R 2 + I f \cdot R m}

R_h - Half Scale Resistance?E - Voltage Source?R₂ - Zero Adjusting Resistance?I_f - Current Full Scale Reading?R_m - Meter Resistance?

Half Scale Resistance for Series Type Ohmmeter Example

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Here is how the Half Scale Resistance for Series Type Ohmmeter equation looks like with Values.

Here is how the Half Scale Resistance for Series Type Ohmmeter equation looks like with Units.

Here is how the Half Scale Resistance for Series Type Ohmmeter equation looks like.

25.1351 = \frac{15.5 \cdot 36}{0.2 \cdot 36 + 0.2 \cdot 75}

25.1351Ω = \frac{15.5V \cdot 36Ω}{0.2A \cdot 36Ω + 0.2A \cdot 75Ω}

25.1351 = \frac{15.5 \cdot 36}{0.2 \cdot 36 + 0.2 \cdot 75}

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Half Scale Resistance for Series Type Ohmmeter Solution

Follow our step by step solution on how to calculate Half Scale Resistance for Series Type Ohmmeter?

FIRST Step Consider the formula

R h = \frac{E \cdot R 2}{I f \cdot R 2 + I f \cdot R m}

Next Step Substitute values of Variables

∴

R h = \frac{15.5V \cdot 36Ω}{0.2A \cdot 36Ω + 0.2A \cdot 75Ω}

Next Step Prepare to Evaluate

∴

R h = \frac{15.5 \cdot 36}{0.2 \cdot 36 + 0.2 \cdot 75}

Next Step Evaluate

∴

R h = 25.1351351351351Ω

LAST Step Rounding Answer

∴

R h = 25.1351Ω

Half Scale Resistance for Series Type Ohmmeter Formula Elements

Variables

Half Scale Resistance

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.

Symbol: R_h

Measurement: Electric ResistanceUnit: Ω

Note: Value should be greater than 0.

Formulas to find Half Scale Resistance

Voltage Source

Voltage Source refers to as a fundamental element that supplies electrical energy to a circuit.

Symbol: E

Measurement: Electric PotentialUnit: V

Note: Value should be greater than 0.

Formulas to find Voltage Source

Zero Adjusting Resistance

Zero Adjusting Resistance refers to a variable resistor used to calibrate or adjust the zero reading of a measuring instrument.

Symbol: R₂

Measurement: Electric ResistanceUnit: Ω

Note: Value should be greater than 0.

Formulas to find Zero Adjusting Resistance

Current Full Scale Reading

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.

Symbol: I_f

Measurement: Electric CurrentUnit: A

Note: Value should be greater than 0.

Formulas to find Current Full Scale Reading

Meter Resistance

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.

Symbol: R_m

Measurement: Electric ResistanceUnit: Ω

Note: Value should be greater than 0.

Formulas to find Meter Resistance

Other formulas in Series Type category

Go Current Limiting Resistance for Series Type Ohmmeter

R 1 = R h - (\frac{I f \cdot R m \cdot R h}{E})

Go Shunt Adjustable Resistance for Series Type Ohmmeter

R 2 = \frac{I f \cdot R h \cdot R m}{E - (I f \cdot R h)}

How to Evaluate Half Scale Resistance for Series Type Ohmmeter?

Half Scale Resistance for Series Type Ohmmeter evaluator uses Half Scale Resistance = (Voltage Source*Zero Adjusting Resistance)/(Current Full Scale Reading*Zero Adjusting Resistance+Current Full Scale Reading*Meter Resistance) to evaluate the Half Scale Resistance, The Half Scale Resistance for Series Type Ohmmeter formula is defined as the resistance value that would produce a half-scale deflection of the meter when connected in series with the meter movement and the unknown resistance being measured. Half Scale Resistance is denoted by R_h symbol.

How to evaluate Half Scale Resistance for Series Type Ohmmeter using this online evaluator? To use this online evaluator for Half Scale Resistance for Series Type Ohmmeter, enter Voltage Source (E), Zero Adjusting Resistance (R₂), Current Full Scale Reading (I_f) & Meter Resistance (R_m) and hit the calculate button.

FAQs on Half Scale Resistance for Series Type Ohmmeter

What is the formula to find Half Scale Resistance for Series Type Ohmmeter?

The formula of Half Scale Resistance for Series Type Ohmmeter is expressed as Half Scale Resistance = (Voltage Source*Zero Adjusting Resistance)/(Current Full Scale Reading*Zero Adjusting Resistance+Current Full Scale Reading*Meter Resistance). Here is an example- 65.64706 = (15.5*36)/(0.2*36+0.2*75).

How to calculate Half Scale Resistance for Series Type Ohmmeter?

With Voltage Source (E), Zero Adjusting Resistance (R₂), Current Full Scale Reading (I_f) & Meter Resistance (R_m) we can find Half Scale Resistance for Series Type Ohmmeter using the formula - Half Scale Resistance = (Voltage Source*Zero Adjusting Resistance)/(Current Full Scale Reading*Zero Adjusting Resistance+Current Full Scale Reading*Meter Resistance).

Can the Half Scale Resistance for Series Type Ohmmeter be negative?

No, the Half Scale Resistance for Series Type Ohmmeter, measured in Electric Resistance cannot be negative.

Which unit is used to measure Half Scale Resistance for Series Type Ohmmeter?

Half Scale Resistance for Series Type Ohmmeter 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 Half Scale Resistance for Series Type Ohmmeter can be measured.

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Half Scale Resistance for Series Type Ohmmeter Formula

Half Scale Resistance for Series Type Ohmmeter Example

Half Scale Resistance for Series Type Ohmmeter Solution

Half Scale Resistance for Series Type Ohmmeter Formula Elements

Other formulas in Series Type category

How to Evaluate Half Scale Resistance for Series Type Ohmmeter?

FAQs on Half Scale Resistance for Series Type Ohmmeter

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