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6 Cards in this Set
- Front
- Back
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Magnetic flux density |
Magnitude and direction of a magnetic field can be represented by it's magnetic flux density B, it is measured in Tesla's. |
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Magnetic flux |
Measure of the number of magnetic field lines passing through the region. Measured in Weber's. |
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Right hand grip rule |
Grip the wire using the right hard with the thumb pointing in the direction of the current. Fingers point in the direction of the field. |
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Tesla |
Is the magnetic flux density in which a force of one Newton actions on a metre length of a conductor which is carrying one amp and is perpendicular to the field. |
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Left hand rule |
Motors. Because motors drive on the left. |
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DC motors |
Side X is experiencing a downward force, and Y experiencing an upward force. Inertia carries the wires round the commutator. |
