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common base transistor is connected in the circuit
requiring-
a)high current gain
b)high voltage gain
c)high input impedance
d)high power gain
e)none of the above
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Answer Posted / praveen
common base current gain. Ic/Ie since Ie =Ic +Ib,
Ie>Ic(from expression)
Therefore not used for current gain.
It has high o/p resistance and low input resistance
hence used as voltage amplifier
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