A15.0 cm diameter circular loop of wire is placed with the plane of the loop parallel to the uniform magnetic field between the pole pieces of a large magnet. when 5.30 a flows in the coil, the torque on it is 0.135 m⋅n. what is the magnetic field strength ?

0.0144 tesla

Explanation:

Magnetic field strength is the same as Magnetomotive force

B= I/2πr

B=magnetic field strength

I=current

r=radius=0.15/2=0.75m

Area=πr2= 1.77m2

torqueT= NIABsin theta

B= T/NIABsin theta

B=0.135/1 * 5.3 * 1.77 *sin90

B=0.0144 tesla

B=1.44 tesla

Explanation:

Explanation:

Magnetic field strength is the same as Magnetomotive force

B= I/2πr

B=magnetic field strength

I=current

r=radius=0.15/2=0.075m

Area=πr2= 0.0177m2

torqueT= NIABsin theta

B= T/NIABsin theta

B=0.135/1 * 5.3 * 0.0177 *sin90

B=1.44 tesla

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explanation:

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