In which circuit all devices could be controlled by one switch ?
A、parallel circuit
B、series circuit
C、series parallel circuit
D、
A、parallel circuit
B、series circuit
C、series parallel circuit
D、
A、euphemism
B、direct way
C、announcement
D、metaphor
____ the tower building,where you see the whole city. |
[ ] |
A. Standing on the top of B .If you climb to C. When you reach the top of D. Get to the top of |
A、afraid
B、frightened
C、weak
D、unhappy
A、Phenol and chloroform treatment
B、Treatment with sodium hydroxide
C、Chloroform treatment alone
D、Centrifuging
A、same voltage
B、different voltage
C、same current
D、
A、C is the sum of A and B
B、C is equal to the product of A and B
C、
D、
A、the same voltage.
B、the different voltage
C、the same current
D、the different current
A、IC means integrated circuits
B、An IC places one electronic component on one substrate of silicon
C、
D、
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