Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) In a transistor circuit the base current changes from `30muA` to `90muA` .If the current gain of the transistor is 30, the change in the collector current is - Sarthaks eConnect

In a transistor circuit the base current changes from `30muA` to `90muA` .If the current gain of the transistor is 30, the change in the collector current is

4 mA

2 mA

3.6 mA

1.8 mA

Solution

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Best answer

`DeltaI_B=DeltaI_E-DeltaI_C` and `beta=(DeltaI_C)/(DeltaI_B)`