Trusted by millions of Kenyans
Study resources on Kenyaplex

Get ready-made curriculum aligned revision materials

Exam papers, notes, holiday assignments and topical questions – all aligned to the Kenyan curriculum.

Calculate the number of turns of the secondary coil of a step down transformer which would enable a 12V bulb to be used with a...

Calculate the number of turns of the secondary coil of a step down transformer which would enable a 12V bulb
to be used with a 240V ac supply if there are 480 turns in the primary coil.

Answers


Moraa
ns/np =Vs/Vp
ns/480 = 12V/240V
ns=(480x12)/240 =24turns
Moraa orina answered the question on April 11, 2018 at 17:32

Answer Attachments

Exams With Marking Schemes

Related Questions