Free help with homework

Why join Brainly?

  • ask questions about your assignment
  • get answers with explanations
  • find similar questions


AC voltage can be stepped up or stepped down using transformers. Their power can be controlled using transformers.Also AC voltage have a particular frequency and hence they change their direction hence this changing electriec current direction and magnitude helps to produce magnetic fields also.
Hence most electrical devices require AC voltage.
0 0 0
The Brain
  • The Brain
  • Helper
Not sure about the answer?
Learn more with Brainly!
Having trouble with your homework?
Get free help!
  • 80% of questions are answered in under 10 minutes
  • Answers come with explanations, so that you can learn
  • Answer quality is ensured by our experts