Which of the following circuits is used to eliminate a portion of a signal? （ ）.
A: Voltage multiplier
B: Voltage divider
C: Clipper
D: Damper
A: Voltage multiplier
B: Voltage divider
C: Clipper
D: Damper
举一反三
- Which of the following circuits is used to eliminate a portion of a signal? （ ）.
- For a neutral-unearthing system, during a bolted single line-to-ground fault, the non-fault phase voltage and the fault phase voltage are ()respectively. A: phase voltage and zero B: phase voltage and line-to-line voltage C: line-to-line voltage and phase voltage D: line-to-line voltage and zero
- BJTs are commonly used as （ ）. A: the primary components in amplifiers B: series damper circuits C: the primary components in rectifiers
- These transistor circuits can amplify voltage signals with minimum waveform distortion. 下划线介词短语充当_______。
- There are two identical batteries in series, which statement is true?( ) A: The total voltage equals the sum of the voltages of each battery. B: The total voltage equals any battery voltage. C: The total voltage equals half of one battery voltage