Q.32 A rectangular loop of wire of size 4cm x 10cm carries a steady current of 2A. A straight long wirecarrying 5A current is kept near the loop as shown. If the loop and the wire are coplanar, find-(i) the torque acting on the loop and(ii) the magnitude and direction of the force on the loop due to the current carrying wire
Question
Q.32 A rectangular loop of wire of size 4cm x 10cm carries a steady current of 2A. A straight long wirecarrying 5A current is kept near the loop as shown. If the loop and the wire are coplanar, find-(i) the torque acting on the loop and(ii) the magnitude and direction of the force on the loop due to the current carrying wire
Solution
The problem you're asking about involves the concepts of magnetic fields and forces in physics. However, it seems like there's some information missing from your question.
In order to calculate the torque acting on the loop and the magnitude and direction of the force on the loop due to the current carrying wire, we would need to know the distance between the wire and the loop.
The torque on the loop due to the magnetic field created by the wire can be calculated using the formula τ = μIABsinθ, where μ is the permeability of free space, I is the current in the loop, A is the area of the loop, B is the magnetic field created by the wire, and θ is the angle between the normal to the loop and the magnetic field.
The force on the loop due to the wire can be calculated using the formula F = I(L × B), where I is the current in the loop, L is the length vector of the loop, and B is the magnetic field created by the wire.
Without the distance between the wire and the loop, we can't calculate the magnetic field B, and therefore can't calculate the torque or the force.
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