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【单选题】
若电阻R短路,则A.
UO将升高
B.
变为半波整流
C.
电容C将击穿
D.
稳压管将损坏
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举一反三
【单选题】When I parked my car and walked inside, the gentleman was ___3____, so I began to ____4___ Madison what they built in such a place.
A.
in trouble
B.
on leave
C.
in the queue
D.
on the phone
【单选题】Power is a function of _______
A.
goal congruency
B.
realization
C.
inheritence
D.
dependency
【单选题】Most amplifiers can be classified inby their function. If the output signal is larger in voltage amplitude than the input signal, the amplifier is a( ). If there is no voltage gain, but the output pow...
A.
voltage amplifier
B.
power amplifier
C.
transistor amplifier
D.
operational amplifier
【判断题】The maximum power handling capability of a transmission line is a function of the square of its voltage.
A.
正确
B.
错误
【单选题】When I parked my car and walked inside, the gentleman was ___3____, so I began to ____4___ Madison what they built in such a place.
A.
show
B.
teach
C.
offer
D.
award
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