Magnetic fields Flashcards

1
Q

What is a magnetic field

A

A region where a force is exerted on magnetic fields

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2
Q

Describe the field/flux lines of a magnetic field

A
  • North to South
  • Closer together (ie at the poles) means a stronger field
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3
Q

Explain how a current produces a magnetic field

A

When current flows through a wire or any other long straight conductor, at magnetic field is induced around the wire

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4
Q

Describe the field lines of the induced magnetic field cause by a current carrying wire

A

concentric rings around the wire
use right hand rule to find the direction of the field

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5
Q
A
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