Answered: 1- What is Laplace's equation where The… | bartleby

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Attempt ALL the following questions:
1- What is Laplace's equation where The electric field can be written as the
gradient of a scalar electric potential.
2- An infinite straight wire of radius R carries a current I. Find the magnetic
field at a distance r from the center of the wire for
(a) r>R , (b)r<R
3- What is The magnetic dipole moment u of a planar current loop I 3mA
in a uniform magnetic field and the area A of the loop 15 cm
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