Which of the following statement are correct for basic transistor

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Which of the following statement are correct for basic transistor amplifier configuration?

1. CB amplifier has low input impedance and a current gain.
2. CC amplifier has low output impedance and a high current gain.
3. CE amplifier has very poor voltage gain but very high input impedance.
4. The current gain of CB amplifier is higher than the current gain of CC amplifier.
5. Both A and B

Correct Option: E

(A) and (B) Since CB configuration has low input impedance and low current gain and CC configuration has low output impedance and a high current gain.