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REY [17]
3 years ago
6

A wire loop with 70 turns is formed into a square with sides of length ???? . The loop is in the presence of a 1.20 T uniform ma

gnetic field ????⃗ that points in the negative y direction. The plane of the loop is tilted off the x-axis by theta=15∘ . If ????=1.50 A of current flows through the loop and the loop experiences a torque of magnitude 0.0294 N⋅m , what are the lengths of the sides ???? of the square loop, in centimeters?

Physics
1 answer:
Oksi-84 [34.3K]3 years ago
3 0

Answer:

l= 3.002 cm

Explanation:

Given that

n= 70 turns

B= 1.2 T

θ= 15°

I= 1.5 A

τ = 0.0294 N⋅m

Lets take length of sides is l.

We know that

τ  = n I A B sin θ

Area of square ,A= l²

Now by putting the value

τ  = n I A B sin θ

0.0294  = 70 x  1.5 x  l² x  1.2 x  sin 15°

l² = 0.000901 m²

l² = 9.01 cm²

l= 3.002 cm

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