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4.5.6a Construction and operation of a transformer

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Question 39

A transformer has a primary coil and a secondary coil wrapped around a soft-iron core.

When the transformer is in use, it is not 100% efficient, and some of the input energy is wasted and transferred to the surroundings.

In what form is this wasted energy primarily transferred to the surroundings?

A

chemical energy

B

gravitational potential energy

C

light energy

D

thermal energy

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4.5.6a Construction and operation of a transformer Questions

  1. IGCSE
  2. /Physics
  3. /4.5.6a Construction and operation of a transformer

136 exam-style questions on CIE IGCSE Physics 4.5.6a Construction and operation of a transformer. Each one has a worked solution and a mark scheme showing where the marks go.

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