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A rectangular coil (0.20 m x 0.80 m) has 200 turns and is in a uniform magnetic field of 0.30 t. if the orientation of the coil is varied through all possible positions, the maximum torque on the coil by magnetic forces is 0.080 nm. what is the current in the coil

Sagot :

Answer:

1. 8.3.mA

Step-by-step explanation:

The maximum torque on the coil is τ = NAiB , where N = 200, A = 0.3 × 0.4 = 0.12 m2 , τ = 0.080 and B = 0.30 T. Solving for i yields.

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