Explain why the National Grid includes step-up transformers.

  • Google+ icon
  • LinkedIn icon
  • 1502 views

1) increases the voltage (across the cables)
2) decreases the current (through the cables)

therefore reducing energy losses (in cables)

or

increasing efficiency of (electricity / energy) of transmission 

Amelia S. GCSE Maths tutor, A Level Maths tutor, GCSE Further Mathema...

About the author

is an online GCSE Physics tutor with MyTutor studying at Exeter University

Still stuck? Get one-to-one help from a personally interviewed subject specialist.

95% of our customers rate us

Browse tutors

We use cookies to improve your site experience. By continuing to use this website, we'll assume that you're OK with this. Dismiss

mtw:mercury1:status:ok