# Homework Help: Magnetic field

1. May 9, 2010

### vycka1990

I have problems solweing this task.
In magnetic field with induction 0.25 is a flat coil wich has N=75 whrols with a radius of 25cm. Angle between Coil‘s flat and magnetic force lines is 60 degrees. How much torque afects coil in a magnetic field, while there flows 8A of curent? What work must be carried out, removing the coil from the magnetic field?
I read all the book trying to find formulas that i need to use, but i cant understand what formulas i need. very very please vrite those formulas that i need to use to solve this task (and sory for my bat english).

Can you offer guidance or do you also need help?
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