Question

the output signal and the current of a power amplifier are 5v and 200ma the value being r. m. s. what is the output power? ​

Answer 1

The output power is 1 W.

Explanation:

• A power amplifier is a device that amps up the potential of current i.e voltage etc.

• This includes power as well.

• Power is the ability of a thing to carry out an activity on its own.  

• There are several types of amplifiers.

• The most common example is audio power amplifier.

• This boosts the sound and intensifies loudness.