In the circuit given below, assume VCC = 4V, VBB = 5V, VBE = 0.7V, RE = 3.3kΩ, RC = 10kΩ, RB = 40kΩ and β = 100. What is the current IE?

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Electronic Devices and Circuits Practice Test: Transistor Biasing and Thermal Stabilization — practice the complete quiz, review flashcards, or try a random question.

Transistor Biasing and Thermal Stabilization topics include: Operating point, bias stability, collector-to-base and collector-emitter bias, self bias, bias compensation, thermistor, thermal runway and stability. Transistor biasing is the process of setting a transistor's DC operating voltage or current conditions to the correct level. It's necessary to activate a transistor and make analog and digital operation possible.  The process of making the operating point independent of temperature changes or variations in transistor parameters is known as stabilization. A good biasing circuit... Show more

In the circuit given below, assume V<sub>CC</sub> = 4V, V<sub>BB</sub> = 5V, V<sub>BE</sub> = 0.7V, R<sub>E</sub> = 3.3kΩ, R<sub>C</sub> = 10kΩ, R<sub>B</sub> = 40kΩ and β = 100. What is the current I<sub>E</sub>?<br /><img src='https://www.fatskills.com/engineering/electronic-devices-circuits-questions-answers-stabilization-against-variations-vbe-beta-self-bias-circuit-q4.png' alt='Find the current IE if VCC = 4V, VBB = 5V, VBE = 0.7V, RE = 3.3kΩ, RC = 10kΩ, RB = 40kΩ' width='260' height='459' class='alignnone size-full wp-image-326560' />