Bipolar Junction Transistor (BJT)

Bipolar Junction Transistor (BJT)

University

15 Qs

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Bipolar Junction Transistor (BJT)

Bipolar Junction Transistor (BJT)

Assessment

Quiz

Other, Physics, Education

University

Practice Problem

Hard

Created by

NUR NAJAHATUL HUDA BINTI SARIS 16425

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the operation region of NPN Bipolar Junction Transistor (BJT) if the voltage values of VBE is 0.3V and VBC is 0.7V?

Saturation region

Cut-off region

Active region

In-active region

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the operation region of NPN Bipolar Junction Transistor (BJT) if the voltage values of VBE is 0.7V and VBC is 0.7V?

Saturation region

Cut-off region

Active region

In-active region

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The circuit shown is the Bipolar Junction Transistor that works in an active region. What happen to the collector current, Ic when the value of base resistor RB is increased?

The Ic will remain the same.

The Ic will be 0.

The Ic will increase.

The Ic will decrease.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Determine the configuration this BJT circuit.

Common Emitter

Common Base

Common Collector

Common Ground

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is the value of VBE?

Given Vcc = +22 V, Vth = 2V, Rth = 3.55 Ω, Rc = 10 kΩ and RE = 1.5 kΩ.

1.978 V

13.5 V

0.7 V

1.275 V

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is the formula of Rth to simplify the BJT voltage divider bias circuit shown in the figure?

(R1 + R1)/ (R2 x R2)

(R1 x R1) / (R2 + R2)

(R1 x R2)/ (R1 + R2)

(R1 + R2)/ (R1 x R2)

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The figure shown the fixed bias circuit of BJT. What is the CORRECT formula to calculate the value of base current, IB?

VCC - IcRc − VCE - VBE - IBRB = 0

VCC + IBRB − VBE = 0

VCC - IBRB − VBE = 0

VCC + IcRc − VCE - VBE - IBRB = 0

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