two bodies A and B weigh 2kg each.When the body A was dropped into a container containing water,it displaced more than its weight of water.Similarly,when body B was dropped into the container,it displaced more than its weight of water.Which of the two bodies will sink and which will float and explain.Why?
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A current element is a conductor carrying current.It is the product of current,I and length of very small segment of current carrying wire ,dL.
Let us consider a small element AB of length dl of the conductor RS carrying a current I.
Let r be the position vector of the point P from the current element I dL.and θ be the angle dl and r.
According to Biot-Savarts law,the magnetic field induction dB or magnetic flux density at a point P due to current element depends upon the following factors.
(i) dBI
(ii) dBdl
(iii) dBsinθ
(iv) dB1/r^2
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