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I am a bit stuck here... trying to find a mechanical torque for a square current carrying loop wire (basic generator), rotates counter clockwise around Z axis in a magnetic field B (1T). Angular velocity w =dθ/dt = 200 rpm, R is 0.2 ohm, length is 0.2.m

Need to come up with the mechanical torque as a func of time...

from here I converted the 200 rpms in rad/sec.

So now i need to find voltage induced which is -(d/dt)*(B*Area(sin wt) for t=0

from here the current i would be V(ind)/R

so the mechan. torque τ is ?.. Area * current * magn field (sin w*t) ?

I am not sure...

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# Finding a mechanical torque as a funct. of time

Can you offer guidance or do you also need help?

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