1 ) - 3 db point in frequency response is . . . . . . . . . . . . . . , Choose single option from these : - A ) The point at which gain reduced to 50.71 % of its maximum , B ) The point at which gain reduced to 7.71 % of its maximum , C ) The point at which gain reduced to 5.71 % of its maximum , D ) The point at which gain reduced to 70.71 % of its maximum ,

1 )   - 3 db point in frequency response is . . . . . . . . . . . . . . ,

Choose single option from these : -

A )  The point at which gain reduced to 50.71 % of its maximum ,

B )  The point at which gain reduced to 7.71 % of its maximum ,

C )  The point at which gain reduced to 5.71 % of its maximum ,

D )  The point at which gain reduced to 70.71 % of its maximum ,

Correct Answer : -  D )  The point at which gain reduced to 70.71 % of its maximum ,

 

2 )   Degenerative effect in amplifier is controlled by . . . . . . . . . . ,

Choose single option from these : -

A )  Coupling capacitor ,

B )  Bypass capacitor ,

Correct Answer : -   B )  Bypass capacitor ,

 

3 )   What is effect of adding bypass capacitor in voltage divider bias CS amplifier scheme . . . . . . . . . . . . . . . . ,

Choose single option from these : -

A )  Input impudence increases .

B )  Increase the Gain .

C )  Decreases the Gain .

Correct Answer : -  B )  Increase the Gain .

 

4 )   Voltage gain of amplifier in dB = ?

Choose single option from these : -

 

Correct Answer : -  A ) .

 

5 )   Bode plot of amplifier gives information about . . . . . . . . . . ,

Choose single option from these : -

A )  Biasing of amplifier ,

B )  Output impudence of amplifier ,

C )  Loading effect of amplifier ,

D ) Frequency response of amplifier ,

Correct Answer : -  D ) Frequency response of amplifier ,