Recent content by Bez

yes its a HW question... we are looking at step-up and step-down transformers that are used by the power station... in my presentation i am supposed to write about some of the future development on transformers... if you are not able to tell me any of the future deveopment on transformers you...

I want to know if there are many development on transformers.

does it help in creating electricity?

It would be great if someone is able to answer the following question (if possible) What is electromagnet? How is electromagnet used to generate electricity? What happens during electromagnetism? Advantages and disadvantages of using electromagnets. Future developments in electromagnetism...

thx mate... other sites are also welcomed...

srry about this it's not nuffield it's Salters Horners. my bad

thanks you letting me know about the site.

Hi. For AS level I am doing physics (Edexcel Nuffield board) and i was hoping if someone is able to direct me to a site which might provide me some of the past paper of tht board as i was not able to find any. thankyou :)

nope... the site wasn't really useful in solving the question tht i had... u sure it can be used for AS Level Physics for Edxcel Nuffield?

hey whn it comes to drawing the waves---how do u know where the 0.50m or the 1.4m is? as you are just drawing a wave... the amplitude is the displacement right? and the wave has a amplitude of 0.40m:confused:

well... we only started the topic therefore we were only taught the equation: f=1/T or T=1/f and v=wavelenght x f.

so i just draw a wave and find the displacement and time using tht?... well i did try tht but it didn't really help much.:cry:

I was wondering if someone would be able to help me with the following questions: -A progessive wave has amplitude 0.40m and wave length 2.0m. At a given times the displacement y=0 at x=0. Calulate the displacement at (a)t=5sec (b) t=0.8sec -A progessive wave has amplitude 2.5m and a time...