A long straight wire carries a current of 8 A. a) In what direction does the...

A long straight wire carries a current of 8 A.

a) In what direction does the produced magnetic ﬁeld point in the neighborhood of the wire?

b) Use Amp`ere’s Law to ﬁnd what is the magnitude of ~ B at 5 mm from the wire?

c) A second current carrying wire is placed parallel 8 cm away and experiences an attractive force per unit length of 50 µN/m. What is the current (and its direction) in the second wire?

d) What is the magnetic ﬁeld strength halfway between the wires?

Expert Solution

Summary : I applied ampere law to find magnetic field at a point 5mm from the wire. And with the help of Ampere's law and force acting on a current carrying wire in magnetic field I calculated the force acting between two current carrying wires. and then calculated current in wire to asked in part c.

genius_generous answered 2 years ago

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