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A horizontal wire of length 60 cm carries a current of 1.3A.
Current
60 cm
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777777
Uniform magnetic field
Current 1.3 A
Figure 3
A horizontal field of flux density 45 mT is applied at right angles to the wire as shown in
figure 3.
a) State the direction of the force which acts on the wire, clearly explaining how you arrive at
your answer.
b) Calculate the magnetic force acting on the wire.

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