Magnetic flux and flux linkage (AQA A-Level Physics): Quizzes

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Magnetic flux and flux linkage
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What does magnetic flux measure?

Magnetic field lines through an area

What is the formula for magnetic flux Φ\Phi?

Φ=B×A\Phi = B \times A

What is the unit of magnetic flux density BB?

Teslas (TT)

When is magnetic flux through an area at its maximum?

When field is perpendicular to area

What is the magnetic flux when the field is parallel to the area?

Zero flux

What does magnetic flux linkage describe?

Magnetic flux in a coil of wire

What is the formula for magnetic flux linkage?

NΦ=B×A×NN\Phi = B \times A \times N

What is the flux formula when the field makes angle θ\theta with the normal?

Φ=B×Acosθ\Phi = B \times A \cos \theta

What does θ\theta represent in Φ=B×Acosθ\Phi = B \times A \cos \theta?

Angle between field and normal to surface

What is the effective field density when the field is angled?

BcosθB \cos \theta

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