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Short-Circuit Current Gain Formula

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Current Gain is the ratio of output current to the input current of an amplifier is defined as current gain. Check FAQs

A i = \frac{I o}{I in}

A_i - Current Gain?I_o - Output Current?I_in - Input Current?

Short-Circuit Current Gain Example

With values

With units

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Here is how the Short-Circuit Current Gain equation looks like with Values.

Here is how the Short-Circuit Current Gain equation looks like with Units.

Here is how the Short-Circuit Current Gain equation looks like.

2.9655 = \frac{4.3}{1.45}

2.9655 = \frac{4.3mA}{1.45mA}

2.9655 = \frac{4.3}{1.45}

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Short-Circuit Current Gain Solution

Follow our step by step solution on how to calculate Short-Circuit Current Gain?

FIRST Step Consider the formula

A i = \frac{I o}{I in}

Next Step Substitute values of Variables

∴

A i = \frac{4.3mA}{1.45mA}

Next Step Convert Units

∴

A i = \frac{0.0043A}{0.0014A}

Next Step Prepare to Evaluate

∴

A i = \frac{0.0043}{0.0014}

Next Step Evaluate

∴

A i = 2.96551724137931

LAST Step Rounding Answer

∴

A i = 2.9655

Short-Circuit Current Gain Formula Elements

Variables

Current Gain

Current Gain is the ratio of output current to the input current of an amplifier is defined as current gain.

Symbol: A_i

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Current Gain

Output Current

The Output Current of the amplifier is defined as the maximum current that can be supplied to the load.

Symbol: I_o

Measurement: Electric CurrentUnit: mA

Note: Value should be greater than 0.

Formulas to find Output Current

Input Current

Input Current is defined as any closed-loop configuration in which the error signal used for feedback is in the form of a current.

Symbol: I_in

Measurement: Electric CurrentUnit: mA

Note: Value can be positive or negative.

Formulas to find Input Current

Other formulas in Amplification Factor or Gain category

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A v = - (\frac{I c}{V t}) \cdot R c

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A v = - \frac{V DD - V CE}{V t}

Go Amplification Factor of BJT

µ f = (\frac{I c}{V th}) \cdot (\frac{V cc + V CE}{I c})

How to Evaluate Short-Circuit Current Gain?

Short-Circuit Current Gain evaluator uses Current Gain = Output Current/Input Current to evaluate the Current Gain, The Short-Circuit Current Gain is the measure of the maximum output current the amplifier can drive, it means if you short the output, it is the measure of how much current will flow. Current Gain is denoted by A_i symbol.

How to evaluate Short-Circuit Current Gain using this online evaluator? To use this online evaluator for Short-Circuit Current Gain, enter Output Current (I_o) & Input Current (I_in) and hit the calculate button.

FAQs on Short-Circuit Current Gain

What is the formula to find Short-Circuit Current Gain?

The formula of Short-Circuit Current Gain is expressed as Current Gain = Output Current/Input Current. Here is an example- 2.965517 = 0.0043/0.00145.

How to calculate Short-Circuit Current Gain?

With Output Current (I_o) & Input Current (I_in) we can find Short-Circuit Current Gain using the formula - Current Gain = Output Current/Input Current.

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