Questions
A long wire AB is placed on a table. Another wire PQ of mass 1.0 g and length 50 cm is set to slide on two rails PS and QR. A current of 50A is passed through the wires. At what distance above AB, will the wire PQ be in equilibrium
detailed solution
Correct option is A
Suppose in equilibrium wire PQ lies at a distance r above the wire ABHence in equilibrium ⇒10-3×10=10-7×2×502r×0.5r = 25 mmTalk to our academic expert!
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Two infinitely current carrying insulated wires AB and CD are carrying same current I. The wires cross each other at right angles as shown in figure. Three identical conductors P1Q1 , P2Q2 and P3Q3, carrying same current are placed a shown in figure and the forces acting on them are F1 , F2 and F3 respectively. Then select the correct option.
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