The north pole of a bar magnet is rapidly introduced into a solenoid from its end P. Which
of the following statements correctly depicts the phenomenon taking place?
A low-loss transformer has 230V applied to the primary and gives 4.6V in the secondary.
Secondary is connected to a load which draws 5A of current. The current in the primary
is:
The primary winding of a transformer has 500 turns whereas its secondary has 5000 turns
The primary is connected to an a.c supply of 20V,50Hz. The secondary will have an output of
