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Test: Fixed Bias & Emitter Bias - Electronics and Communication Engineering (ECE) MCQ


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10 Questions MCQ Test - Test: Fixed Bias & Emitter Bias

Test: Fixed Bias & Emitter Bias for Electronics and Communication Engineering (ECE) 2024 is part of Electronics and Communication Engineering (ECE) preparation. The Test: Fixed Bias & Emitter Bias questions and answers have been prepared according to the Electronics and Communication Engineering (ECE) exam syllabus.The Test: Fixed Bias & Emitter Bias MCQs are made for Electronics and Communication Engineering (ECE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Fixed Bias & Emitter Bias below.
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Test: Fixed Bias & Emitter Bias - Question 1

Whichof the following is the correct relatioship between IB and IE?

Detailed Solution for Test: Fixed Bias & Emitter Bias - Question 1

For a BJT, the collector and emitter current are related as IE = (β + 1) IB.

Test: Fixed Bias & Emitter Bias - Question 2

For best operation of a BJT, which region must the operating point be set at?

Detailed Solution for Test: Fixed Bias & Emitter Bias - Question 2

Operating point for a BJT must always be set in the active region to ensure proper functioning. Setting up of Q-point in any other region may lead to reduced functionality.

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Test: Fixed Bias & Emitter Bias - Question 3

From the given circuit, what is the value of IBQ?

Detailed Solution for Test: Fixed Bias & Emitter Bias - Question 3

We know that IBQ = (VCC – VBE)/RB = 11.3/240 uA = 47.08 uA.

Test: Fixed Bias & Emitter Bias - Question 4

From the given circuit, what is the value of VCEQ?

Detailed Solution for Test: Fixed Bias & Emitter Bias - Question 4

VCEQ = VCC – ICRC. Hence, VCEQ = 6.83 V.

Test: Fixed Bias & Emitter Bias - Question 5

From the given circuit, what is the value of VBC?

Detailed Solution for Test: Fixed Bias & Emitter Bias - Question 5

VBC = VB – VC = VBE – VCE = -6.13 V.

Test: Fixed Bias & Emitter Bias - Question 6

 From the given circuit, what is the value of the saturation collector current?

Detailed Solution for Test: Fixed Bias & Emitter Bias - Question 6

Saturation collector current = VCC/RC = 5.45 mA.

Test: Fixed Bias & Emitter Bias - Question 7

In the given circuit, what is the value of IC?

Detailed Solution for Test: Fixed Bias & Emitter Bias - Question 7

 β IB = 2.01 mA.

Test: Fixed Bias & Emitter Bias - Question 8

In the given circuit, what is the value of VCE?

Detailed Solution for Test: Fixed Bias & Emitter Bias - Question 8

VCE = VCC – ICRC = 13.97 V.

Test: Fixed Bias & Emitter Bias - Question 9

 In the given circuit, what is the value of VE?

Detailed Solution for Test: Fixed Bias & Emitter Bias - Question 9

VE = VC – VCE = 2.01 V.

Test: Fixed Bias & Emitter Bias - Question 10

In the given circuit, what is the value of saturation collector current?

Detailed Solution for Test: Fixed Bias & Emitter Bias - Question 10

 Saturation collector current = VCC/(RC + RE) = 6.67 mA.

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