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Force on current carrying conductor

  • Thread starter uzair_ha91
  • Start date
  • #1
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Homework Statement



A 20cm wire carrying a current of 10A is placed in a uniform
magnetic field of 0.3T. If the wire makes an angle of 40 degrees with
the direction of magnetic field, find the force acting on the wire.


Homework Equations



F=LIB sin<theta>

The Attempt at a Solution



I got the answer:: 0.35, but in the textbook, the answer written at the back is 0.39....which one's correct??
 

Answers and Replies

  • #2
2,449
87

Homework Statement



A 20cm wire carrying a current of 10A is placed in a uniform
magnetic field of 0.3T. If the wire makes an angle of 40 degrees with
the direction of magnetic field, find the force acting on the wire.


Homework Equations



F=LIB sin<theta>

The Attempt at a Solution



I got the answer:: 0.35, but in the textbook, the answer written at the back is 0.39....which one's correct??
Rounding my answer down I agree with the book.I bet you punched the wrong calculator button when you was working out the sin.Sin40=0.643
 

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