Which is a characteristic of a step-up transformer?
a: there are fewer loops in the secondary...
Physics, 02.09.2019 11:00 jadabecute5939
Which is a characteristic of a step-up transformer?
a: there are fewer loops in the secondary coil than in the primary coil.
b: it converts direct current into alternating current.
c: the voltage of the secondary coil is greater than that of the primary coil.
d: the voltage of the secondary coil is less than that of the primary coil.
Answers: 2
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Mary starts from her house, walks 80 meters south, and stops to chat with her aunt on the sidewalk. after chatting for a few minutes, she walks 125 meters to the west to meet a friend and then walks 45 meters north with her friend to a cafe for lunch. overall, she takes 10 minutes to do all this. what is mary’s average speed?
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