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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))`
`beta=69`.
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