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Electromagnetism

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Question 21

The number of turns on the coils of four ideal iron-cored transformers W, X, Y and Z are shown in the table below.

TransformerNumber of turns on the secondary coilNumber of turns on the primary coil
W400100
X200200
Y80320
Z40240

Each transformer is connected in turn to an alternating 120 V supply.

Which transformer will give the largest output current?

W

X

Y

Z

Electromagnetism Questions

  1. A Level
  2. /Physics
  3. /Electromagnetism