Quelpr
2 marksTransformers

CSEC Physics · May/June 2018 · Paper 2 · Question 6(b)(ii)

A transformer has 5000 turns in its secondary coil and 50 turns in its primary coil. The voltage supplied to its primary coil is 12.0 V a.c. and a current of 6.0 A flows in its primary coil.

the voltage across the secondary coil

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 6(a)(i)State the name of the parts labelled A, B, C and D in Figure 6.[4 marks]
  2. 6(a)(ii)Identify the type of transformer shown in Figure 6.[1 mark]
  3. 6(a)(iii)State the formula that relates voltage, V, to number of turns, n, in a transformer.[1 mark]
  4. 6(b)(i)Calculate the input power of the transformer.[4 marks]
  5. 6(b)(iii)the maximum secondary current if the transformer is 100% efficient.[3 marks]

More practice: the rest of this paper · more Transformers questions · all CSEC Physics past papers