P4 power = current x voltage

Page 1

22 (b) Kettle 1 has a power rating of 2500 W and is connected to a 230 V mains supply. Fuses are available in 3 A, 7 A, 10 A and 13 A ratings. Calculate the current in the kettle and select a suitable fuse for the plug. ................................................................................................................................................... ................................................................................................................................................... current

................................................. A

fuse rating ................................................. A [2]

Š OCR 2015


Turn static files into dynamic content formats.

Create a flipbook
Issuu converts static files into: digital portfolios, online yearbooks, online catalogs, digital photo albums and more. Sign up and create your flipbook.