The r.m.s. value of the base current ofa transistor is `10mu`A. What is the current gain (`beta`) if the peak value of the a.c. collector current is 1

Question

The r.m.s. value of the base current ofa transistor is `10mu`A. What is the current gain (`beta`) if the peak value of the a.c. collector current is 1

The r.m.s. value of the base current ofa transistor is `10mu`A. What is the current gain (`beta`) if the peak value of the a.c. collector current is 1.414 mA ?
A. 50
B. 75
C. 100
D. 125

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - C
Peak value of `I_C` = 1.414 mA
`therefore` r.m.s. value of `I_C=1.414/sqrt2`= 1 mA
`therefore beta=I_C/I_B=10^(-3)/(10xx10^(-6)) ` =100

4 views Answered 2023-02-05 15:29