2 mWb is to be produced in the air gap of the magnetic circuit shown in figure 6. How much ampere turns must the coil provide to achieve this? Relative permeability ty of the core
material may be assumed to be constant and equal to 5000. All the dimensions shown are in
cm and the sectional area is 25 cm² throughout.

Describe the discovery and importance of this piece of ancient african art.

This is a form of government run by elected leaders.this is a type of government in which a group of individual states are united under astrong, central government.this is a system of government in which the people participate directly in making allpublic policy.this is form of government in which a monarch is the head of state but his or her powersare restricted by law, usually within a parliamentary system.in this type of government, the elected head of the executive branch acts independentlyof the legislative and judicial branches.in this type of government, there is no clear-cut separation of powers between thelegislative and executive branches, though the legislative has most of the governmentalpower.in this type of government, the institutions of the state are governed as a single unit,with one constitutionally created legislature.this is a type of government in which power is held by a single, self-appointed ruler.

In russian churches the number of domes usually matches the number of altars. but this church has only one altar dome, and 21 symbolic ones. what normal construction device does this church lack?