Find Magnetic Field Using Torque Equation (t=nBIAcos)

[centripitacal]

This is really just a matter of curiosity. Can you manipulate the torque equation of (t=nBIAcos) to find the magnetic field, B?

Or do you just stick to the other formulas?

 

[rock.freak667]

Assuming you are given the torque,n,I,A and θ. Then of course you can rearrange it. (Is that the equation for torque? I can't remember it properly)

 

[centripitacal]

Yes, that's the equation for torque. How could you rearange it to B (the magnet field). I am having trouble with equations like this one , with more than three factors. How would you rearange this one?

 

[rock.freak667]

Yes, that's the equation for torque. How could you rearange it to B (the magnet field). I am having trouble with equations like this one , with more than three factors. How would you rearange this one?

Think of the equation like this

T=nBIAcosθ

T= B (nIAcosθ)

and you can divide both sides by 'nIAcosθ'

 

[centripitacal]

Gracias, thank you for your help.