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VCE Stuff => VCE Science => VCE Mathematics/Science/Technology => VCE Subjects + Help => VCE Physics => Topic started by: golden on June 20, 2011, 08:49:51 pm

Title: Heinemann Physics 9.2 Question 5
Post by: golden on June 20, 2011, 08:49:51 pm

Could someone please explain that question?

Title: Re: Heinemann Physics 9.2 Question 5
Post by: Lasercookie on June 20, 2011, 09:54:39 pm

Pretty sure you need to use the right hand grip rule.

Title: Re: Heinemann Physics 9.2 Question 5
Post by: Archimedes on June 21, 2011, 08:28:25 am

5

a The right-hand screw rule gives us a south-pointing field at P from conductor m.

b A north-pointing field at P from conductor n.

c The resultant magnetic field due to the conductors is zero. The only field in existence at
that point would be that due to the Earth, whose direction is north.