Ask Singapore Homework?

Upload a photo of a Singapore homework and someone will email you the solution for free.



Question

Primary 4 | Science
2 Answers Below

Anyone can contribute an answer, even non-tutors.

Answer This Question
Link
Link

Primary 4 chevron_right Science chevron_right Singapore

Hi pls help me:)

Date Posted: 4 years ago
Views: 1260

See 2 Answers

The circuit becomes a close circuit when the swtich is closed. Current will flow through the coil if wire, causing the steel core to become a electromagnet. This attracts the striker, causing the bell to ring.
done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Brenda
Brenda's answer
37 answers (Tutor Details)
1st
done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
HiderApplecross
Hiderapplecross's answer
1783 answers (Tutor Details)
Hi, I provide 1 to 1 tuition. $50/1.5h. I can cover English, Maths and Science. You may contact me via WhatsApp at 9033 8810. I am an ex-school teacher :)