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Common Collector Current Gain Formula

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Common Collector Current Gain is defined as the ratio of the emitter current to the base current. Check FAQs

A i = β + 1

A_i - Common Collector Current Gain?β - Base Transport Factor?

Common Collector Current Gain Example

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With units

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Here is how the Common Collector Current Gain equation looks like with Values.

Here is how the Common Collector Current Gain equation looks like with Units.

Here is how the Common Collector Current Gain equation looks like.

3.5 = 2.5 + 1

3.5 = 2.5 + 1

3.5 = 2.5 + 1

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Common Collector Current Gain Solution

Follow our step by step solution on how to calculate Common Collector Current Gain?

FIRST Step Consider the formula

A i = β + 1

Next Step Substitute values of Variables

∴

A i = 2.5 + 1

Next Step Prepare to Evaluate

∴

A i = 2.5 + 1

LAST Step Evaluate

∴

A i = 3.5

Common Collector Current Gain Formula Elements

Variables

Common Collector Current Gain

Common Collector Current Gain is defined as the ratio of the emitter current to the base current.

Symbol: A_i

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Common Collector Current Gain

Base Transport Factor

Base Transport Factor is defined as the factor of base current required to transfer emitter current to the collector of the BJT transistor.

Symbol: β

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Base Transport Factor

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 Common Collector Current Gain?

Common Collector Current Gain evaluator uses Common Collector Current Gain = Base Transport Factor+1 to evaluate the Common Collector Current Gain, Common Collector Current Gain is defined as the ratio of the emitter current to the base current. Common Collector Current Gain is denoted by A_i symbol.

How to evaluate Common Collector Current Gain using this online evaluator? To use this online evaluator for Common Collector Current Gain, enter Base Transport Factor (β) and hit the calculate button.

FAQs on Common Collector Current Gain

What is the formula to find Common Collector Current Gain?

The formula of Common Collector Current Gain is expressed as Common Collector Current Gain = Base Transport Factor+1. Here is an example- 3.5 = 2.5+1.

How to calculate Common Collector Current Gain?

With Base Transport Factor (β) we can find Common Collector Current Gain using the formula - Common Collector Current Gain = Base Transport Factor+1.

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