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Emitter Current Formula

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Emitter current is defined as the current flowing through the emitter terminal of a bipolar junction transistor. Check FAQs
Ie=Ib+Ic
Ie - Emitter Current?Ib - Base Current?Ic - Collector Current?

Emitter Current Example

With values
With units
Only example

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

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

Here is how the Emitter Current equation looks like.

1.54Edit=0.44Edit+1.1Edit
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HomeIcon Home » Category Engineering » Category Electronics » Category EDC » fx Emitter Current

Emitter Current Solution

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

FIRST Step Consider the formula
Ie=Ib+Ic
Next Step Substitute values of Variables
∴ Ie=0.44mA+1.1mA
Next Step Convert Units
∴ Ie=0.0004A+0.0011A
Next Step Prepare to Evaluate
∴ Ie=0.0004+0.0011
Next Step Evaluate
∴Ie=0.00154A
LAST Step Convert to Output's Unit
∴Ie=1.54mA

Emitter Current Formula Elements

Variables
Emitter Current
Emitter current is defined as the current flowing through the emitter terminal of a bipolar junction transistor.
Symbol: Ie
Measurement: Electric CurrentUnit: mA
Note: Value can be positive or negative.
Formulas to find Emitter CurrentOpen Variable
Base Current
Base Current is the current flowing through the base terminal of a bipolar junction transistor. Base current is typically 1% of emitter or collector current for small signal transistors.
Symbol: Ib
Measurement: Electric CurrentUnit: mA
Note: Value should be greater than 0.
Formulas to find Base CurrentOpen Variable
Collector Current
Collector current is defined as the current flowing through the collector terminal of a transistor.
Symbol: Ic
Measurement: Electric CurrentUnit: mA
Note: Value should be greater than 0.
Formulas to find Collector CurrentOpen Variable

Other formulas in Transistor Operating Parameters category

​Go Current Amplification Factor
α=IcIe
​Go Current Amplification Factor using Base Transport Factor
α=ββ+1
​Go Collector Current using Base Transport Factor
Ic=β⋅Ib
​Go Collector Current using Current Amplification Factor
Ic=α⋅Ie

How to Evaluate Emitter Current?

Emitter Current evaluator uses Emitter Current = Base Current+Collector Current to evaluate the Emitter Current, Emitter Current is the combination of the collector and the base current combined. The load resistance in this type of transistor configuration has both the collector current and the input current of the base flowing through it. Emitter Current is denoted by Ie symbol.

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

FAQs on Emitter Current

What is the formula to find Emitter Current?
The formula of Emitter Current is expressed as Emitter Current = Base Current+Collector Current. Here is an example- 2403.5 = 0.00044+0.0011.
How to calculate Emitter Current?
With Base Current (Ib) & Collector Current (Ic) we can find Emitter Current using the formula - Emitter Current = Base Current+Collector Current.
Can the Emitter Current be negative?
Yes, the Emitter Current, measured in Electric Current can be negative.
Which unit is used to measure Emitter Current?
Emitter Current is usually measured using the Milliampere[mA] for Electric Current. Ampere[mA], Microampere[mA], Centiampere[mA] are the few other units in which Emitter Current can be measured.
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