Trial Q on M&G i can't do (1 Viewer)

[Ryuu-jin-jakka]

The rectagular loop of wire has sides measuring 40mm x 40mm and is supported on an exle. It carries a current of 10A and is in a uniform magnetic field of strength 0.01T

note: The answer is 0.004N up, help me ???

 

[staticsiscool]

thats fairly simple man

whats the formula you use to work it out? ( i cant remember, i havent done this for 3 yrs)

 

[Ryuu-jin-jakka]

Shurg, i'm think F' bil

 

[Ryuu-jin-jakka]

is that the right formula???

 

[JasonNg1025]

Yeah.

0.01T x 0.04m x 10A (BIl) gives you their answer