a current loop in a motor has an area of 0.85 cm2. it carries a 240 ma current in a uniform field of 0.62 t. what is the magnitude of the maximum torque on the current loop?

Respuesta :

The maximum torque on the current carrying loop of the motor is 1.26 x 10⁻⁵ N-m.

The torque on a current carrying loop is given by,

T = NiABsin(A)

For the maximum torque, sin(A) = 1, so,

T = NiAB

Where,

N is the number of turns in the loops,

i is the current in the loop which is 240 x 10⁻³ A,

A is the area of the loop which is 0.85 x 10⁻⁴ m,

B is the uniform magnetic field which is given to be 0.62 T.

So, putting the values,

T = 240 x 10⁻³ x 0.85 x 10⁻⁴ x 0.62

T = 1.26 x 10⁻⁵ N-m.

So, the maximum torque on the current carrying loop of the motor is 1.26 x 10⁻⁵ N-m.

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