A solenoid having 162 turns and a cross-sectional area of 6.76cm^2 carries a cur

Question

A solenoid having 162 turns and a cross-sectional area of 6.76cm^2 carries a current of 1.20A .

Part A

If it is placed in a uniform 1.12 magnetic field, find the torque this field exerts on the solenoid if its axis is oriented perpendicular to the field
torque1=____________N.m


Part B

If it is placed in a uniform 1.12T magnetic field, find the torque this field exerts on the solenoid if its axis is oriented parallel to the field.
torque2=_____________N.m



Part C

If it is placed in a uniform 1.12T magnetic field, find the torque this field exerts on the solenoid if its axis is oriented at 40.0 degrees with the field.
torque3=_____________ N.m

Explanation / Answer

Part A)

Apply the formula = NBIAsin

= (162)(1.12)(1.20)(6.76 X 10-4)(sin 90)

= .147 Nm

Part B)

= (162)(1.12)(1.20)(6.76 X 10-4)(sin 0)

= 0 Nm

Part C)

= (162)(1.12)(1.20)(6.76 X 10-4)(sin 40)

= .095 Nm

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