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Analog Electronics - Engineering

Q1:

A CE amplifier has re = 6 Ω, β = 100 and a = 0.98. The input impedance is

A 6 Ω

B 100 Ω

C 600 Ω

D 98 Ω

ANS:C - 600 Ω

Input impedance of CE amplifier is β re = 100 X 6 = 600 Ω.