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7.1 Permanent and induced magnetism, magnetic forces and fields - Coggle…
7.1 Permanent and induced magnetism, magnetic forces and fields
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Predict what will happen when the following poles of magnets meet: N-N, N-S, S-S
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Describe how magnetic field strength, current and wire length affect the motor effect force
Find the equation linking force, magnetic flux density, current and wire length. State the units and symbols for each quantity and calculate the force, e.g. B = 0.5 T, I = 3 A, L = 0.2 m
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