Answer:
Explanation:
As we know that current density is ratio of current and area of the crossection
now we have
so the current through the wire is given as
now we have
here we have
now plug in the values in above equation
now we have
now plug in both limits as mentioned
here R = 2.11 mm
Sometimes (EX:<span> HCl is a covalent substance, however, when it is dissolved it is ionized to form hydrochloric acid).</span>
PART A)
magnetic field lines always originates from North pole and terminates at south pole
So here the two poles will attract each other and field lines are shown in the figure
Part B)
As we know that magnetic field lines originates from north pole and terminates at south pole so here upper end is north pole and lower end is south pole
the problems that harnessing wind for energy is the expense of large tracts of land in populated areas.
hope this helps you
Answer:
Formula for constant-speed = Total distance / Total time taken
Explanation: