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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

Question Posted / ghanshyam singh

Answers were Sorted based on User's Feedback



common base transistor is connected in the circuit requiring- a)high current gain b)high voltage..

Answer / amit kumar

High voltage gain

Is This Answer Correct ?    4 Yes 1 No

common base transistor is connected in the circuit requiring- a)high current gain b)high voltage..

Answer / ashutosh vikram singh

it offers high o/p resistance and low i/p resistance so
voltage gain=resistance at o/p/resistance in i/p
so voltage gain is high

Is This Answer Correct ?    3 Yes 0 No

common base transistor is connected in the circuit requiring- a)high current gain b)high voltage..

Answer / 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

Is This Answer Correct ?    2 Yes 0 No

common base transistor is connected in the circuit requiring- a)high current gain b)high voltage..

Answer / dhruv

Common-base transistor amplifiers are so-called because the input and output voltage points share the base lead of the transistor in common with each other, not considering any power supplies.
The current gain of a common-base amplifier is always less than 1. The voltage gain is a function of input and output resistances, and also the internal resistance of the emitter-base junction, which is subject to change with variations in DC bias voltage. Suffice to say that the voltage gain of a common-base amplifier can be very high.
The ratio of a transistor's collector current to emitter current is called &#945;. The &#945; value for any transistor is always less than unity, or in other words, less than 1.

Is This Answer Correct ?    1 Yes 0 No

common base transistor is connected in the circuit requiring- a)high current gain b)high voltage..

Answer / ghanshyam singh

i think its none of the above

Is This Answer Correct ?    0 Yes 2 No

common base transistor is connected in the circuit requiring- a)high current gain b)high voltage..

Answer / sheela

high power gain

Is This Answer Correct ?    0 Yes 2 No

common base transistor is connected in the circuit requiring- a)high current gain b)high voltage..

Answer / guest

high current gain

Is This Answer Correct ?    0 Yes 2 No

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