SATHEE: Electronic Devices Question 291

Electronic Devices Question 291

Question: In an NPN transistor the collector current is 24 mA. If 80% of electrons reach collector its base current in mA is

[Kerala PMT 2004]

Options:

A) 36

B) 26

C) 16

D) 6

Show Answer

Answer:

Correct Answer: D

Solution:

Given $i_{c} = \frac{80}{100} \times i_{e}$
$\Rightarrow 24 = \frac{80}{100} \times i_{e}$
$\Rightarrow i_{e} = 30 m A$ By using $i_{e} = i_{b} + i_{c}$

Therefore ib = 30 - 24 = 6 mA.

Electronic Devices Question 291

Question: In an NPN transistor the collector current is 24 mA. If 80% of electrons reach collector its base current in mA is

Options:

Answer:

Solution:

Engineering Preparation

Medical Preparation

NCERT Books & Solutions

Important Resources

Other Resources

Syllabus

Test Platform

Sample Mock Test

Mentorship

NCERT Exercise Video Solution

Electronic Devices Question 291

Question: In an NPN transistor the collector current is 24 mA. If 80% of electrons reach collector its base current in mA is

Options:

Answer:

Solution:

Engineering Preparation

Medical Preparation

NCERT Books & Solutions

Important Resources

Other Resources

Syllabus

Test Platform

Sample Mock Test

Mentorship

NCERT Exercise Video Solution

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