In a common emitter amplifier, the input AC signal to be amplified is applied across

• Correct answer
  A

  Forward biased emitter-base junction
• B

  Reverse biased collector-base junction
• C

  Reverse biased emitter-base junction
• D

  Forward biased collector-base junction

Solution

The circuit diagram for CE amplifier is given below



Input signal is applied across base-emitter junction.

Hence, the correct answer is option: 'A'.