Electricity and Magnetism Answers

Explain the structure of a CCD camera. How are colour signals obtained using a
CCD camera?

A metal has Er= 9, Wp=7×10^15 rad s^-115, v=2×10^12 s^-1 . Calculate the skin depth for microwave of 4 cm vacuum wavelength.

our galaxy is about 15 light years across and most energetic particles transversing it have energies of about 10^20 ev find the relativistic energy of the partical assuming it in a proton
1)16J
2)15J
3)10J
4)0J

Explain the Shell Model of the atomic nucleus.

At what potential difference must an X-ray tube operate to produce X-rays with a
minimum wavelength of 2A. °

what is the period of the radio wave generated by 93 Q (92.9 MHz) ?

conductor possesses a positive charge of 3.2x 10^-19 C. How many electron does it have in excess or deficit (e = 1.60 x 10^-19C)

The polarisability of a given material is 1.0×10-⁴0 C²mN-¹. Determine it's dielectric constant if the number of molecules in 1 m³ volume of the material is 5.0×10²⅝.

A conductor possesses a positive charge of 3.2x 10^-19 C. How many electron does it have in excess or deficit (e = 1.60 x 10^-19C)
a.2
b.3
c.5
d.6

Using Maxwell’s equations in free space, derive the wave equation for the z-component of
the electric field vector.