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1)Assume a current carrying thin rod placed in air horizontally.The current flow from west to east.Find the direction magnetic field at a point close to the rod at a) North b)south c) Vertically above the rod d) Verticlly below the rod. 2)Assume a current carrying thin rod placed in an external magnetic field.The current flow from west to east.Find the direction of force acting on the rod if the magnetic field is a) along north south b) along south north c) downward d) Upward

1)Assume a current carrying thin rod placed in air horizontally.The current flow from west to east.Find the direction magnetic field at a point close to the rod at
a) North
b)south
c) Vertically above the rod
d) Verticlly below the rod.
2)Assume a current carrying thin rod placed in an external magnetic field.The current flow from west to east.Find the direction of force acting on the rod if the magnetic field is
a) along north south
b) along south north
c) downward
d) Upward

Grade:

1 Answers

AJIT AskiitiansExpert-IITD
68 Points
10 years ago

Dear Ajit ,

please see that we just have to apply right hand's thumb rule. only rake the direction of I x R

a) upwards to the plane

b)downwards to the plane

c)south

d)north

2)take the direction of I x B

a)downward to the plane

b)upwards to the plane

c)north

d)south

In this question it is difficult to provide images for every case . so you have to see it yourself by applying right hand thumb rule.

Please feel free to post as many doubts on our discussion forum as you can. We are all IITians and here to help you in your IIT JEE preparation.


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