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
A: provides power
B: neither provides power nor absorbs power
C: absorbs power
D: whether to develop power or absorb power depends on R
举一反三
- 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
- 电源组件提供28伏直流电。 A: The power unit supplies 28 VD B: The power unit produces 28 VD C: The power unit provides 28 VD
- 有定义def power(x,n=2),则下列调用不正确的是___________。 A: power(8) B: power(8,2) C: power(8,4) D: power
- The<br/>common-base amplifier has _()()()__. A: voltage gain, current gain, and power gain B: voltage gain and power gain, but no current gain C: current gain and power gain, but no voltage gain D: current gain and voltage gain, but no power gain
- Which type of power is not channel power? A: Coercive power B: Referent power C: Legitimate power D: Negotiating power