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In the single-stage transistor amplifier circuit shown in the given figure, if capacitor CE is removed, then, ac small-signal midband voltage gain of the amplifier
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- increases
- decreases
- is unaffected
- drops to zero
Correct Option: B
With CE, voltage gain
| Aυ = - | ||
| hie + (1 + hfe)RE |
If RE by passed with capacitor CE, AV will increase Hence, after removing CE mid band voltage gain decreases.
