The main function of the power amplifiers is to provide a sufficiently large power signal to the load. ()
举一反三
- For a balanced three-phase △ -connected load, the average power absorbed by the load is P . Change the △ -connected load to Y-connected load, the power will :
- The power that an amplifier delivers to a load is equal to the difference between the power that the circuit draws from the power supply and the power that the circuit dissipates. ? 正确|错误
- Mains voltage is sufficiently stable for the reactive power and within the range of_______________.
- Electric power is an indispensable energy on board, so _____ plays a role in distribution, conversion and control of electric power on board. A: power supply unit B: distribution device C: power network D: load
- America is a large power distance country.