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Physics
Semiconductors and Electronic Devices
A transistor having $β$ equal to 80 has a change in base current of 250 μA, then the change in collector current is -
(250 – 80)μA
(250 + 80)μA
$\frac{250}{80}μA$
80 × 250 μA
Using $β=\frac{I_c}{I_b}$
we get $⇒I_c=I_b×β=250×80μA $