Question

(a) Describe an activity to demonstrate the pattern of magnetic field lines around a straight

conductor carrying current.

(b) State the rule to find the direction of magnetic field associated with a current carrying

conductor.

(c) What is the shape of a current carrying conductor whose magnetic field pattern resembles that

of a bar-magnet?
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Answer 1

a). Magnetic field lines are concentric circles.
b). Maxewell thumb rule
c). Solenoid.
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Answer 2

a). Magnetic field lines are concentric circles.  

b). Maxewell thumb rule

c). Solenoid.

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