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Current Limiting Resistance for Series Type Ohmmeter Formula

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Current Limiting Resistance refers to a resistor intentionally introduced into an electrical circuit to restrict the flow of current to a desired level. Check FAQs

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

R₁ - Current Limiting Resistance?R_h - Half Scale Resistance?I_f - Current Full Scale Reading?R_m - Meter Resistance?E - Voltage Source?

Current Limiting Resistance for Series Type Ohmmeter Example

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Here is how the Current Limiting Resistance for Series Type Ohmmeter equation looks like with Values.

Here is how the Current Limiting Resistance for Series Type Ohmmeter equation looks like with Units.

Here is how the Current Limiting Resistance for Series Type Ohmmeter equation looks like.

0.8065 = 25 - (\frac{0.2 \cdot 75 \cdot 25}{15.5})

0.8065Ω = 25Ω - (\frac{0.2A \cdot 75Ω \cdot 25Ω}{15.5V})

0.8065 = 25 - (\frac{0.2 \cdot 75 \cdot 25}{15.5})

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Current Limiting Resistance for Series Type Ohmmeter Solution

Follow our step by step solution on how to calculate Current Limiting Resistance for Series Type Ohmmeter?

FIRST Step Consider the formula

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

Next Step Substitute values of Variables

∴

R 1 = 25Ω - (\frac{0.2A \cdot 75Ω \cdot 25Ω}{15.5V})

Next Step Prepare to Evaluate

∴

R 1 = 25 - (\frac{0.2 \cdot 75 \cdot 25}{15.5})

Next Step Evaluate

∴

R 1 = 0.806451612903224Ω

LAST Step Rounding Answer

∴

R 1 = 0.8065Ω

Current Limiting Resistance for Series Type Ohmmeter Formula Elements

Variables

Current Limiting Resistance

Current Limiting Resistance refers to a resistor intentionally introduced into an electrical circuit to restrict the flow of current to a desired level.

Symbol: R₁

Measurement: Electric ResistanceUnit: Ω

Note: Value should be greater than 0.

Formulas to find Current Limiting Resistance

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

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

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

Other formulas in Series Type category

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)}

Go Half Scale Resistance for Series Type Ohmmeter

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

How to Evaluate Current Limiting Resistance for Series Type Ohmmeter?

Current Limiting Resistance for Series Type Ohmmeter evaluator uses Current Limiting Resistance = Half Scale Resistance-((Current Full Scale Reading*Meter Resistance*Half Scale Resistance)/Voltage Source) to evaluate 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 evaluate Current Limiting Resistance for Series Type Ohmmeter using this online evaluator? To use this online evaluator 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.

FAQs on Current Limiting Resistance for Series Type Ohmmeter

What is the formula to find Current Limiting Resistance for Series Type Ohmmeter?

The formula of Current Limiting Resistance for Series Type Ohmmeter is expressed as Current Limiting Resistance = Half Scale Resistance-((Current Full Scale Reading*Meter Resistance*Half Scale Resistance)/Voltage Source). Here is an example- 22.90323 = 25-((0.2*75*25)/15.5).

How to calculate Current Limiting Resistance for Series Type Ohmmeter?

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

Can the Current Limiting Resistance for Series Type Ohmmeter be negative?

No, the Current Limiting Resistance for Series Type Ohmmeter, measured in Electric Resistance cannot be negative.

Which unit is used to measure Current Limiting Resistance for Series Type Ohmmeter?

Current Limiting 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 Current Limiting Resistance for Series Type Ohmmeter can be measured.

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Current Limiting Resistance for Series Type Ohmmeter Formula

Current Limiting Resistance for Series Type Ohmmeter Example

Current Limiting Resistance for Series Type Ohmmeter Solution

Current Limiting Resistance for Series Type Ohmmeter Formula Elements

Other formulas in Series Type category

How to Evaluate Current Limiting Resistance for Series Type Ohmmeter?

FAQs on Current Limiting Resistance for Series Type Ohmmeter

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