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
举一反三
- Power supply, the conductor, the control device and ______ are four basic parts of an electric circuit
- For the sinusoidal steady-state circuit, ， the real power absorbed by 5 W resistor is 10W ， the power factor of the circuit is:/ananas/latex/p/149319
- The voltage source in the circuit（ ）.[img=166x83]1803a2ffaa8699a.jpg[/img] A: provides power B: neither provides power nor absorbs power C: absorbs power D: whether to develop power or absorb power depends on R
- 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
- When measuring current, circuit power before connecting the meter in the circuit.