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Dynamic Emitter Resistance Formula

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Dynamic Emitter Resistance represents the small-signal change in voltage across the emitter due to a small change in emitter current. Check FAQs

R e = \frac{0.026}{I e}

R_e - Dynamic Emitter Resistance?I_e - Emitter Current?

Dynamic Emitter Resistance Example

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Here is how the Dynamic Emitter Resistance equation looks like with Values.

Here is how the Dynamic Emitter Resistance equation looks like with Units.

Here is how the Dynamic Emitter Resistance equation looks like.

9.4545 = \frac{0.026}{2.75}

9.4545Ω = \frac{0.026}{2.75mA}

9.4545 = \frac{0.026}{2.75}

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Dynamic Emitter Resistance Solution

Follow our step by step solution on how to calculate Dynamic Emitter Resistance?

FIRST Step Consider the formula

R e = \frac{0.026}{I e}

Next Step Substitute values of Variables

∴

R e = \frac{0.026}{2.75mA}

Next Step Convert Units

∴

R e = \frac{0.026}{0.0028A}

Next Step Prepare to Evaluate

∴

R e = \frac{0.026}{0.0028}

Next Step Evaluate

∴

R e = 9.45454545454546Ω

LAST Step Rounding Answer

∴

R e = 9.4545Ω

Dynamic Emitter Resistance Formula Elements

Variables

Dynamic Emitter Resistance

Dynamic Emitter Resistance represents the small-signal change in voltage across the emitter due to a small change in emitter current.

Symbol: R_e

Measurement: Electric ResistanceUnit: Ω

Note: Value can be positive or negative.

Formulas to find Dynamic Emitter Resistance

Emitter Current

Emitter current is defined as the current flowing through the emitter terminal of a bipolar junction transistor.

Symbol: I_e

Measurement: Electric CurrentUnit: mA

Note: Value can be positive or negative.

Formulas to find Emitter Current

Other formulas in Transistor Operating Parameters category

Go Emitter Current

I e = I b + I c

Go Current Amplification Factor

α = \frac{I c}{I e}

Go Current Amplification Factor using Base Transport Factor

α = \frac{β}{β + 1}

Go Collector Current using Base Transport Factor

I c = β \cdot I b

How to Evaluate Dynamic Emitter Resistance?

Dynamic Emitter Resistance evaluator uses Dynamic Emitter Resistance = 0.026/Emitter Current to evaluate the Dynamic Emitter Resistance, Dynamic Emitter Resistance represents the small-signal change in voltage across the emitter due to a small change in emitter current. Dynamic Emitter Resistance is denoted by R_e symbol.

How to evaluate Dynamic Emitter Resistance using this online evaluator? To use this online evaluator for Dynamic Emitter Resistance, enter Emitter Current (I_e) and hit the calculate button.

FAQs on Dynamic Emitter Resistance

What is the formula to find Dynamic Emitter Resistance?

The formula of Dynamic Emitter Resistance is expressed as Dynamic Emitter Resistance = 0.026/Emitter Current. Here is an example- 9.454545 = 0.026/0.00275.

How to calculate Dynamic Emitter Resistance?

With Emitter Current (I_e) we can find Dynamic Emitter Resistance using the formula - Dynamic Emitter Resistance = 0.026/Emitter Current.

Can the Dynamic Emitter Resistance be negative?

Yes, the Dynamic Emitter Resistance, measured in Electric Resistance can be negative.

Which unit is used to measure Dynamic Emitter Resistance?

Dynamic Emitter Resistance 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 Dynamic Emitter Resistance can be measured.

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