Q 1359834714.     A change of `10 mA` in the emitter current produces a change of `7.5 mA` in collector current in a transistor . What should be change in base current to produce the same change in collector current.

A

`0.25 mA`

B

`2.5 mA`

C

`1.5 mA`

D

`2.5 mA`

HINT

`Delta I _{E} = Delta I_{C}+ Delta I_{N}`
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