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4.5.6a Construction and operation of a transformer

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Question 62

A transformer has 600 turns on the primary coil connected to the 240 V mains supply. There are two secondary coils to serve different parts of an electrical appliance. Secondary coil 1 has 3000 turns and secondary coil 2 has 30 turns.

Which row is correct?

p.d. across secondary coil 1 / Vp.d. across secondary coil 2 / VA121.2B120012C300012D120030 \begin{array}{|c|c|c|}\hline & \text{p.d. across secondary coil 1 / V} & \text{p.d. across secondary coil 2 / V}\\ \hline \text{A} & 12 & 1.2\\ \hline \text{B} & 1200 & 12\\ \hline \text{C} & 3000 & 12\\ \hline \text{D} & 1200 & 30\\ \hline \end{array} ABCD​p.d. across secondary coil 1 / V12120030001200​p.d. across secondary coil 2 / V1.2121230​​
A

A

B

B

C

C

D

D

Markscheme

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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