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Thin, uniform rod with negligible mass and length 0.200 m is attached to the floor by a frictionless hinge at point P(the figure (Figure 1) ). A horizontal spring with force constant k = 4.80 N/m connects the other end of the rod to a vertical wall. The rod is in a uniform magnetic field B = 0.330 T directed into the plane of the figure. There is current I= 6.50 A in the rod, calculate torque on rod?
Verified Answer
Thin, uniform rod with negligible mass and length 0.200 m is attached ...
At equilibrium condition (as shown picture)
As current is flowing in 
 plane and 
 is along z direction so angle between I
 & 
 is 

Force 
 is perpendicular to radius as shown

By using Fleming's left hand rule we can find direction of 
 and is already shown in figure
Due to 
 the rod rotates in clockwise direction
So the spring gets stretched
So a force 
 is acting as shown
At equilibrium conditions moment at point P due to 
= moment at point P due to spring force

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Thin, uniform rod with negligible mass and length 0.200 m is attached to the floor by a frictionless hinge at point P(the figure (Figure 1) ). A horizontal spring with force constant k = 4.80 N/m connects the other end of the rod to a vertical wall. The rod is in a uniform magnetic field B = 0.330 T directed into the plane of the figure. There is current I= 6.50 A in the rod, calculate torque on rod?
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Thin, uniform rod with negligible mass and length 0.200 m is attached to the floor by a frictionless hinge at point P(the figure (Figure 1) ). A horizontal spring with force constant k = 4.80 N/m connects the other end of the rod to a vertical wall. The rod is in a uniform magnetic field B = 0.330 T directed into the plane of the figure. There is current I= 6.50 A in the rod, calculate torque on rod? for Class 12 2024 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about Thin, uniform rod with negligible mass and length 0.200 m is attached to the floor by a frictionless hinge at point P(the figure (Figure 1) ). A horizontal spring with force constant k = 4.80 N/m connects the other end of the rod to a vertical wall. The rod is in a uniform magnetic field B = 0.330 T directed into the plane of the figure. There is current I= 6.50 A in the rod, calculate torque on rod? covers all topics & solutions for Class 12 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Thin, uniform rod with negligible mass and length 0.200 m is attached to the floor by a frictionless hinge at point P(the figure (Figure 1) ). A horizontal spring with force constant k = 4.80 N/m connects the other end of the rod to a vertical wall. The rod is in a uniform magnetic field B = 0.330 T directed into the plane of the figure. There is current I= 6.50 A in the rod, calculate torque on rod?.
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