Compared to insulators, metals are better conductors of electricity because metals contain more free * ioniser plasmacluster e- nano-e alkali negative ions electrons positive ions protons Label the charges respectively: * - and + - and - + and - O + and +

b) Describe the traces you would see on an oscilloscope monitoring voltage changes across a resistance which has: - AC flowing through it - DC flowing through it You should include diagrams to support your descriptions for each trace.

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(1-1)The length of Copper wire is 10m and its cross-sectional area is 0.5mm² has a Calculate: a) The conductivity of Copper wire. b) the mobility of electrons in the copper wire. verify the numerical volo of resistance 0.340.

Diagram of the problem, necessary formulas, clearance and numerical solution. A steady current of 0.5 A flows through a wire. How much charge passes through the wire in one minute?

make an introduction of at least 30 lines about PROTOTYPE OF PIEZOELECTRIC BALLAST FOR GENERATING ELECTRIC ENERGY THROUGH THE PEDESTRIAN TRAFFIC

Determine the electrical conductance of a 2m length of nichrome (ahigh temperature Ni Cr alloy) wire at 20°C with cross-sectional area 1mm^Nichrome has a conductivity of 0.9×106 Sm^-1 at this temperature. The answer is 0.45S

An 18-gauge copper wire with a diameter of 1-mm carries a constant current of 1-A. The charge concentration in the wire is 8.5 x 1028 per cubic meter. Determine the resistance, in ohms, of a 77-m wire in milli-ohm. Use resistivity equal to 1.72x10-8 ohm-m.

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