How many turns are in the secondary coil of a step up transformer that increases voltage from 30 V to 150 V and has seven turns
1 answer:
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Answer:
Explanation:
Let the distance from spotlight to wall be 15m, and distance from the man to the building be .
#Therefore the height of the shadow as a function of the above is
Hence, height of the shadow is expressed as s=(15-x)m
#See attached photo for illustration
