A step-down transformer is used on a 2.2 kV line to deliver 110 V. How many turns are on the primary windings if the secondary has 25 turns?

a

20

b

250

c

200

d

500

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Explanation

Correct Option
d

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Discussions (6)

justagirl
3 months ago

Isn't it supposed to be Ns/Np🤔

onome300
2 months ago

the answer isn't there because the correct formula is Ns/Np

Monica08
2 months ago

the answer is correct
the formula is correct
check new school physics

Sensei
2 months ago

gbam ✌️😳🕊️

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