Force and Torque on Current Loops Video Lessons

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Problem: Consider a 200 turn square loop 22 cm on a side.Randomized Variablesl = 22 cmCalculate the magnetic field strength (T) needed on the loop to create a maximum torque of 275 Nm if the loop is carrying 21 A

FREE Expert Solution

Magnetic torque:

τ=NBAi·sinθ

A = L2 = (0.22m)2 = 0.0484m2 

N = 200

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Problem Details

Consider a 200 turn square loop 22 cm on a side.

Randomized Variables
l = 22 cm

Calculate the magnetic field strength (T) needed on the loop to create a maximum torque of 275 Nm if the loop is carrying 21 A

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