You are Here: Home >< Physics

# Alevel physics unit 3B WPH03 question Watch

1. Hi
I have a doubt in edexcel physics unit 3B june 2009 paper question5 and the mark scheme also isnt available
Thank u
2. (Original post by Sumaiyya1999)
Hi
I have a doubt in edexcel physics unit 3B june 2009 paper question5 and the mark scheme also isnt available
Thank u
The answer to this question is A, if u look carefully at the direction of conventional current flow you can see at A the diode is connected in foroward bias also a variable source is needed in order for us to vary the emf and notice the value at whîch thè diode starts to conduct
3. (Original post by -Akuma-)
The answer to this question is A, if u look carefully at the direction of conventional current flow you can see at A the diode is connected in foroward bias also a variable source is needed in order for us to vary the emf and notice the value at whîch thè diode starts to conduct
Thank you
4. Youre welcome

Posted from TSR Mobile
5. (Original post by Sumaiyya1999)
Hi
I have a doubt in edexcel physics unit 3B june 2009 paper question5 and the mark scheme also isnt available
Thank u
the answer in the mark scheme is D i solved this earlier
https://605600fdb9b4c87e3bb519cd6ec9...%20Physics.pdf
6. (Original post by RAZA1999)
the answer in the mark scheme is D i solved this earlier
https://605600fdb9b4c87e3bb519cd6ec9...%20Physics.pdf
There is actually a mistake in the mark scheme
The correct ans is A
7. (Original post by Sumaiyya1999)
There is actually a mistake in the mark scheme
The correct ans is A
really?! are you sure?
8. (Original post by RAZA1999)
really?! are you sure?
Yes that's actually the ans for 3b even my teacher confirmed it
9. (Original post by Sumaiyya1999)
Yes that's actually the ans for 3b even my teacher confirmed it
thank you so much
10. Yes, if u look at the markscheme carefully there were only 4 answers for the MCQs, while there were 5 questions on the actual paper

Posted from TSR Mobile

TSR Support Team

We have a brilliant team of more than 60 Support Team members looking after discussions on The Student Room, helping to make it a fun, safe and useful place to hang out.

This forum is supported by:
Updated: May 11, 2016
Today on TSR

Can you relate?

### Do girls find this attractive?

Discussions on TSR

• Latest
• ## See more of what you like on The Student Room

You can personalise what you see on TSR. Tell us a little about yourself to get started.

• Poll
Discussions on TSR

• Latest
• ## See more of what you like on The Student Room

You can personalise what you see on TSR. Tell us a little about yourself to get started.

• The Student Room, Get Revising and Marked by Teachers are trading names of The Student Room Group Ltd.

Register Number: 04666380 (England and Wales), VAT No. 806 8067 22 Registered Office: International House, Queens Road, Brighton, BN1 3XE