Interaction Between Fields

In this lesson on Interaction Between Fields, which is part of Unit 3 Area of Study 1 for VCE Physics, you will learn how to:

describe the interaction of two fields, allowing that electric charges, magnetic poles and current carrying conductors can either attract or repel, whereas masses only attract each other.

The interaction between two parallel current-carrying wires is a magnetic interaction which depends on the following factors:

F = \frac{\mu_o I_1 I_2 L}{2 \pi R}

B = \frac{\mu_o I}{2 \pi R}

The force on a single wire:

F = BIL sin(\theta)

This video will explain the answer to this question.

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