A coil in the shape of an equilateral triangle of side 0.02 m is suspended from a vertex such that it is hanging in a vertical plane between the pole pieces of a permanent magnet producing a horizontal magnetic field of `5 xx 10^(-2) T.` Find the couple acting on the coil when a current of 0.1 A is passed through it and the magnetic field is parallel to its plane.
Text Solution
AI Generated Solution
To find the couple acting on the coil in the shape of an equilateral triangle, we will follow these steps:
### Step 1: Determine the Area of the Equilateral Triangle
The formula for the area \( A \) of an equilateral triangle with side length \( a \) is given by:
\[
A = \frac{\sqrt{3}}{4} a^2
\]
...
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