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If l1,l2,l3 are the lengths of the emitt...

If `l_1,l_2,l_3` are the lengths of the emitter, base and collector of a transistor, then

A

`l_1=l_1=l_3`

B

`l_2ltl_2gtl_1`

C

`l_3ltl_1ltl_2`

D

`l_3gtl_1gtl_2`.

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