Josh stored an electric potential energy of 2.5J in a vacuum of 1.00m³ by a field E. if the field is reduced to 1/4 of its initial value, how much energy is
stored per cubic meter.
Ans is 0.2J/m³

A professor accelerated an electron of mass 9.1 x 10^15N/C between two
parallel charged plates of separation 1.7cm. Calculate the velocity with
which the electron leaves a hole in the positive plate if it is accelerated near
the negative plate.
Ans is 4.2 x 10^12m/s​

layer a is the exosphere and layer b is the thermosphere.   is the answer i think but i hope this .

nec chapter 5 contains

c. information on special occupancy areas

nec chapter 6 covers

a. special equipment

which of the following rules contain the words shall or shall not and must be adhered to?

b. mandatory rules

which of the following rules identify actions that are allowed but not required and typically cover options or alternative methods?

c. optional rules

which of the following serves as the introduction to the nec and provides an overview of the book?

a. nec article 90

organizations that test products for safety are

c. nrtls

the nec is published by the

a national fire protection association

the nec is divided into

b. 9 chapters

the nec provides informative annexes for

c. informational materials and examples

two terms from nec article 100 that trainees should become familiar with are

b. labeled and listed

explanation:

hi there!

out of the two, (b) precision would be more reasonable.   however, both a and b could be pretty reasonable.

-awesomerepublic   : )