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For a transitor the current ratio alph...

For a transitor the current ratio `alpha_(DC)` is 69/70 the current gain `beta_(DC)` is

A

66

B

67

C

69

D

71

Text Solution

Verified by Experts

The correct Answer is:
C
`beta=alpha/(1-alpha)=(69/70)/(1-69/70) = (69/70)/(1/70)`=69
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