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1. AC and DC cable resistance.

   (Knowledge base)

   A.C. resistance If a conductor is carrying high alternating currents, the distribution of current is not evenly disposed throughout the cross-section of the conductor. This is due to two independent ...

2. Fire Performance of Buildings.

   (Knowledge base)

   ... not the fire separating function. 2.5 Many modern forms of engineered construction have an inherentlylower level of fire resistance when compared to more traditional forms of construction, and ...

3. Corrosion cells and principles of corrosion.

   (Knowledge base)

   ... an electrical resistance between the metal and the electrolyte. Paint in various forms normally provides the first level of protection. However, even the most efficient coatings are subject to defects ...

4. S.I. units

   (Knowledge base)

   ... Volt V or U Capacitance Farad F Electrical resistance Ohm Ω Magnetic flux Weber Wb Magnetic flux density Tesla T Inductance Henry H Luminous flux Lumen cd Area Square metre m2 Volume Cubic metre m3 ...