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rohit sharma Grade: 10
        I have question 

A circular loop carrying current in anticlockwise direction in magnetic field upwards .What would be total force acting on it
7 years ago

Answers : (2)

keshav musunuri
18 Points

do you mean magnetic field is out of the paper??

7 years ago
AJIT AskiitiansExpert-IITD
68 Points

Dear rohit ,

the force on the current carrying wire is given by  f = i l x B   applying the result on every infinitesimally small part of ring and treating it as a wire.  take a wire of length dl then force on it is i dl B outwards from the loop . at every point the direction is same , outwards. therefore the forces cancels out. the diametrically opposite points nullify the effect of their respective points. so force is zero.

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7 years ago
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