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Question 18N.1.HL.TZ0.35

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Date November 2018 Marks available [Maximum mark: 1] Reference code 18N.1.HL.TZ0.35
Level HL Paper 1 Time zone TZ0
Command term Question number 35 Adapted from N/A
35.
[Maximum mark: 1]
18N.1.HL.TZ0.35

A current of 1.0 × 10–3 A flows in the primary coil of a step-up transformer. The number of turns in the primary coil is Np and the number of turns in the secondary coil is Ns. One coil has 1000 times more turns than the other coil.

What is  N p N s and what is the current in the secondary coil for this transformer?

 

[1]

Markscheme

A