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Transistor Base Current Formula

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Base Current is the current that flows into the base terminal of the transistor. Check FAQs

I b = \frac{I c}{A i}

I_b - Base Current?I_c - Collector Current?A_i - Current Gain?

Transistor Base Current Example

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Here is how the Transistor Base Current equation looks like with Values.

Here is how the Transistor Base Current equation looks like with Units.

Here is how the Transistor Base Current equation looks like.

0.3 = \frac{0.27}{0.9}

0.3A = \frac{0.27A}{0.9}

0.3 = \frac{0.27}{0.9}

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Transistor Base Current Solution

Follow our step by step solution on how to calculate Transistor Base Current?

FIRST Step Consider the formula

I b = \frac{I c}{A i}

Next Step Substitute values of Variables

∴

I b = \frac{0.27A}{0.9}

Next Step Prepare to Evaluate

∴

I b = \frac{0.27}{0.9}

LAST Step Evaluate

∴

I b = 0.3A

Transistor Base Current Formula Elements

Variables

Base Current

Base Current is the current that flows into the base terminal of the transistor.

Symbol: I_b

Measurement: Electric CurrentUnit: A

Note: Value should be greater than 0.

Formulas to find Base Current

Collector Current

Collector Current is the current that flows through the collector terminal of the transistor.

Symbol: I_c

Measurement: Electric CurrentUnit: A

Note: Value should be greater than 0.

Formulas to find Collector Current

Current Gain

Current Gain is a measure of how much the collector current of a transistor amplifies the base current.

Symbol: A_i

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Current Gain

Other formulas in Transistor Based Circuits category

Go Collector Current

I c = A i \cdot I b

Go Common Emitter Current Gain

A i = \frac{I c}{I b}

How to Evaluate Transistor Base Current?

Transistor Base Current evaluator uses Base Current = Collector Current/Current Gain to evaluate the Base Current, The Transistor Base Current formula is defined as the current that flows into the base terminal of the transistor. It controls the flow of current between the collector and emitter terminals of the transistor. Base Current is denoted by I_b symbol.

How to evaluate Transistor Base Current using this online evaluator? To use this online evaluator for Transistor Base Current, enter Collector Current (I_c) & Current Gain (A_i) and hit the calculate button.

FAQs on Transistor Base Current

What is the formula to find Transistor Base Current?

The formula of Transistor Base Current is expressed as Base Current = Collector Current/Current Gain. Here is an example- 0.3 = 0.27/0.9.

How to calculate Transistor Base Current?

With Collector Current (I_c) & Current Gain (A_i) we can find Transistor Base Current using the formula - Base Current = Collector Current/Current Gain.

Can the Transistor Base Current be negative?

No, the Transistor Base Current, measured in Electric Current cannot be negative.

Which unit is used to measure Transistor Base Current?

Transistor Base Current is usually measured using the Ampere[A] for Electric Current. Milliampere[A], Microampere[A], Centiampere[A] are the few other units in which Transistor Base Current can be measured.

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Transistor Base Current Formula

Transistor Base Current Example

Transistor Base Current Solution

Transistor Base Current Formula Elements

Other formulas in Transistor Based Circuits category

How to Evaluate Transistor Base Current?

FAQs on Transistor Base Current

Variable Name