For silver the conductivity a-3m s/m, what frequency will the depth of penetration be 1 mm? relative permeability of silver is 0. example: find the depth of penetration of a plane wave in copper at a power frequency of 10 60 hz and at a microwave frequency of 10 hz. given a -5.8x107 mho/m and hr-6

The intensity, or loudness, of a sound can be measured in decibels (db), according to the equation , where i is the intensity of a given sound and is the threshold of hearing intensity. what is the intensity, in decibels, [i(db)], when ? use a calculator. round to the nearest whole number. 8 9 19 80

Which of the following are guidelines to follow for obtaining accurate observations

Increasing the pressure on one spot of a fluid will increase the pressure everywhere else in the fluid a. pascals principal b. archimedes' principal c. bernoulli's principal