1 markAlternating Currents
CAPE Physics Unit 2 · 2001 · Paper 1 · Question 5(b)(i)
An ideal transformer stepping up generator supply from 500 V at 15 A to 10 000 V over a 20 Ω cable, then stepped down to 500 V.
Calculate the current in the transmission cable.
The mark scheme is shown once you've answered.
Practise this question