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Isha Lohan posted an Question
September 03, 2020 • 21:37 pm
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30 points
30 points
- IIT JAM
- Physics (PH)
Last maxwell's equations calculates curl of b. does it guarantees us that curl of b should never be zero? in what conditions curl of b can be zero? what does it
Last Maxwell's Equations calculates curl of B. Does it guarantees us that curl of B should never be zero? In what conditions curl of B can be zero? What does it physically signifies that curl of B is zero somewhere in space?
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Isha lohan 1
suppose I take bar magnet. then current density J would be zero, as well as there is no time changing electric field, so both terms at RHS are zero. then in that condition, do we say that curl of B is zero
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Ravi prakash yadav![best-answer]()
in free space and electrostatic condition curl of B is zero. Because in electrostatics all charges and Electric field is stationary. there is no variation with time. hence dE/dt=0. and in free space charge density(rho)=0 and current density(J)=0. hence curl of B becomes zero using Maxwell's fourth equation.