Showing posts from March, 2022
DOMESTIC ELECTRIC CIRCUITS In homes, electric power is supplied through a main supply (mains) , supported through overhead electric poles or by undergroun…
ELECTRIC GENERATOR The principle of electromagnetic induction can be applied to produce large currents for use in homes and industry. In an e…
ELECTROMAGNETIC INDUCTION Consider a conductor moving inside a magnetic field or a magnetic field changing around a fixed conductor. This was fir…
ELECTRIC MOTOR It is a rotating device that converts electrical energy to mechanical energy . It is used in electric fans, refriger…
FORCE ON A CURRENT-CARRYING CONDUCTOR IN A MAGNETIC FIELD An electric current through a conductor produces a magnetic field. This field exerts a f…
MAGNETIC FIELD DUE TO A CURRENT-CARRYING CONDUCTOR Experiment to Find the Direction of the Field Take a long straight copper wire, 2 or 3 cells o…
Electricity and Magnetism are linked to each other. This can be demonstrated by the following experiment: Place a straight thick copper wire between p…
