A silicon diode in an adapter rectifying circuit has a carrier density of 10-21in p material and 1022m-3 in n material, the temperature of the charger changes from 25°C
to 40°C, find the change in barrier potential of the diode.

Asphere has a diameter of 10 in. what is the volume of the sphere?

Atextile fiber manufacturer is investigating a new drapery yarn, which the company claims has a mean thread elongation of 12 kilograms with a standard deviation of 0.5 kilograms. the company wishes to test the hypothesis upper h subscript 0 baseline colon mu equals 12 against upper h subscript 1 baseline colon mu less-than 12 using a random sample of n equals 4 specimens. calculate the p-value if the observed statistic is x overbar equals 11.8. round your final answer to five decimal places (e.g. 98.76543).

The perimeter of a rectangle is 42 inches. if the width of the rectangle is 6 inches, what is the length