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SSC JE Electrical Engineering 2017 Set 2 Paper

Question : 188 of 200

Marks: +1, -0

β gain of the transistor signifies___ :

Solution:

‘B’ gain of the transistor, Application capability of the transistor.

B = \frac{I_C}{I_B}

I_C

= Collector current

I_B

= Base current

→Let B = 100

If Input base current

I_B = 30\,\mu\mathrm{A},

the out put collector current amplify the Input base current by 100 times i.e.

I_C = 30\,\mu \times 100 = 3 \times 10^{-3}\,\mathrm{A}.

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