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Collector Current Formula

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

I c = A i \cdot I b

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

Collector Current Example

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With units

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

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

Here is how the Collector Current equation looks like.

0.27 = 0.9 \cdot 0.3

0.27A = 0.9 \cdot 0.3A

0.27 = 0.9 \cdot 0.3

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Collector Current Solution

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

FIRST Step Consider the formula

I c = A i \cdot I b

Next Step Substitute values of Variables

∴

I c = 0.9 \cdot 0.3A

Next Step Prepare to Evaluate

∴

I c = 0.9 \cdot 0.3

LAST Step Evaluate

∴

I c = 0.27A

Collector Current Formula Elements

Variables

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

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

Other formulas in Transistor Based Circuits category

Go Transistor Base Current

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

Go Common Emitter Current Gain

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

How to Evaluate Collector Current?

Collector Current evaluator uses Collector Current = Current Gain*Base Current to evaluate the Collector Current, The Collector Current formula is defined as the current that flows through the collector terminal of the transistor. It is the main current that is controlled by the base current and flows from the collector to the emitter terminal. The collector current is responsible for carrying the amplified signal or power in most transistor circuits. Collector Current is denoted by I_c symbol.

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

FAQs on Collector Current

What is the formula to find Collector Current?

The formula of Collector Current is expressed as Collector Current = Current Gain*Base Current. Here is an example- 0.405 = 0.9*0.3.

How to calculate Collector Current?

With Current Gain (A_i) & Base Current (I_b) we can find Collector Current using the formula - Collector Current = Current Gain*Base Current.

Can the Collector Current be negative?

No, the Collector Current, measured in Electric Current cannot be negative.

Which unit is used to measure Collector Current?

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

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Collector Current Formula

Collector Current Example

Collector Current Solution

Collector Current Formula Elements

Other formulas in Transistor Based Circuits category

How to Evaluate Collector Current?

FAQs on Collector Current

Variable Name