Analog Electronics
Generally, the gain of a transistor amplifier falls at high frequencies due to the

Skin effect
Internal Capacitance of the device
Coupling capacitor at the output
Coupling capacitor at the input

ANSWER DOWNLOAD EXAMIANS APP

Analog Electronics
The typical input stage of an opamp has a

  single - ended input and differential output.
  differential input and single - ended output.
  single - ended input and single-ended output.
  differential input and differential output.

ANSWER DOWNLOAD EXAMIANS APP