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4.5.6a Construction and operation of a transformer

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Question 88

The primary voltage supplied to a transformer is 6.0 V. The secondary voltage is 15.0 V and the secondary current is 1.2 A. The transformer is 100% efficient.

What is the primary current in the transformer?

A

0.48 A0.48\text{ A}0.48 A

B

1.2 A1.2\text{ A}1.2 A

C

3.0 A3.0\text{ A}3.0 A

D

7.5 A7.5\text{ A}7.5 A

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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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