base and collector current for a bit is 0.033 mA and 3.3 mA. What will be the alpha of the transistor?

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The base and collector current for a bit is 0.033 mA and 3.3 mA. What will be the alpha of the transistor?

Expert Solution
Step 1

The dc current gain beta of the transistor is defined as the ratio of the collector current IC to the base current IB.

So, the value of the dc current gain, in this case, will be

Electrical Engineering homework question answer, step 1, image 1

Step 2

The parameter alpha depends on the parameter beta and the relation can be expressed as

Electrical Engineering homework question answer, step 2, image 1

Plugging the value of beta into equation (1), the value of alpha of the transistor will become

Electrical Engineering homework question answer, step 2, image 2

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