Two straight infinitely long wires are fixed in space so that the current in the left wire is 2 A and directed out of the plane of the page and the current in the right wire is 3 A and directed into the plane of the page. In which region(s) is/are there a point on the x-axis, at which the magnetic field is equal to zero due to these currents carrying wires? Justify your answer.
Answers
Answer:
Answer:
In physics, potential energy is the energy held by an object because of its position relative to other objects, stresses within itself, its electric charge, or other factors.
Electric potential energy, or Electrostatic potential energy, is a potential energy (measured in joules) that results from conservative Coulomb forces and is associated with the configuration of a particular set of point charges within a defined system. An object may have electric potential energy by virtue of two key elements: its own electric charge and its relative position to other electrically charged objects.
The term "electric potential energy" is used to describe the potential energy in systems with time-variant electric fields, while the term "electrostatic potential energy" is used to describe the potential energy in systems with time-invariant electric fields.
The SI unit of electric potential energy is joule (named after the English physicist James Prescott Joule). In the CGS system the erg is the unit of energy, being equal to 10−7 J. Also electronvolts may be used, 1 eV = 1.602×10−19 J.
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Magnetic Field Intensity can be zero in region I.
Reason:
As per the question, the current carrying wires are present along the Y axis , such that 2 Amp wire is along +Y axis and 3 Amp wire is along -Y axis.
Now, in region I:
Magnetic field intensity due to 2 Amp wire will be directed along +Z axis.
Magnetic field intensity due to 3 Amp wire will be directed along -Z axis.
Hence they can nullify each other such that the net magnetic field intensity will become zero.
Another thing to keep in mind:
The distance of the wires from the neutral point in region I have to be such that the field intensities get nullified by each other.
3A current is more in amount but distance is greater.
2A current is less in amount but distance is less.
Hence , final answer is region I