Answer: Spermatogenesis is the development of haploid spermatozoa from germ cells in the testis’ seminiferous tubules. The mitotic division of stem cells near to the basement membrane of the tubules initiates this process. Spermatogonial stem cells are the name for these cells.
These cells divide into two types after mitotic division. Type A cells replace stem cells, whereas type B cells mature into primary spermatocytes. Meiosis I separates the primary spermatocyte into two secondary spermatocytes, and Meiosis II divides each secondary spermatocyte into two equal haploid spermatids.
Spermiogenesis is the process through which spermatids become spermatozoa (sperm). These mature into spermatozoa, which are also known as sperm cells. Thus, the primary spermatocyte produces two cells, the secondary spermatocytes, and the two secondary spermatocytes create four spermatozoa and four haploid cells as a result of their subdivision.
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west of the geographic north. The north tip of the magnetic needle of a dip circle placed in the plane of magnetic meridian points above the horizontal. The horizontal component of the earth’s field is measured to be 
Specify the direction and magnitude of the earth’s field at the location.At a certain location in Africa, a compass points 
and 
carrying currents of 
and 
in the same direction are separated by a distance of 
. Estimate the force on a 
section of wire A.
wire carrying a current of 
is placed inside a solenoid perpendicular to its axis. The magnetic field inside the solenoid is given to be 
. What is the magnetic force on the wire?
and making an angle of 
with the direction of a uniform magnetic field of 
. What is the magnitude of the field 
at a point 
from the wire?
-turns carrying current 
.
is at distance 
from the wire. Find the force acting on the electron if its velocity is directed towards the wire.