Example X100
For copper conductor having !=10m, A=0.5mm? and R-0.3422,
calculate (i)/conductivity, (ii) mobility, and (iii) Fermi level.
If density=8.46x10 kg/m°, and atomic weight=63.5.

Africtionless piston-cylinder contains 50 l of saturated liquid r-134a. the piston has a mass and an area resulting in an applied pressure of 500 kpa on the refrigerant. the refrigerant is now heated until its temperature rises to 70∘c. calculate the work (in kj) done during this process.

A2.00-m long piano wire with a mass per unit length of 12.0 g/m is under a tension of 8.00 kn. what is the frequency of the fundamental mode of vibration of this wire?

A( developed during the process of technology design