A 2.20 mH toroidal solenoid has an average radius of 7.00 cm and a cross-sectional area of 2.80 cm2 . You may want to review (Pages 994 - 997) . For related problem solving tips and strategies, you may want to view a Video Tutor Solution of Calculating self-inductance.
A. How many coils does it have? In calculating the flux, assume that B is uniform across a cross section, neglect the varation of B with a distance from the toroidal axis. B. At what rate must the current through it change so that a potential difference of 2.80 V is developed across its ends?enter the magnitude of the rate.

this is an example of "committed" time.

committed time, as contracted time, takes need over essential and available time since it is seen as profitable work. it alludes to the time allotted to keep up a home and family. at the point when a man is commuting using committed time this individual may feel that the drive is an obligation to family, for example, strolling youngsters to class or driving a mate to work. contracted and committed time clients may feel that their commute could really compare to the commute of important or leisure time clients on the grounds that their commute is profitable work. in this manner, they might be more disposed to pick a mechanized method of movement.  

the journeys of marquette, joliet and la salle a) new france expand.

all three of these explorers explored the midwest and the area around the great lakes, which they subsequently claimed for france.

this was a big portion of territory and expanded new france which before then only consisted of quebec province in northeastern canada