A bar magnet is divided into two pieces, which of the fol...
A bar magnet is divided into two pieces, which of the following statement is correct?
two new magnets are created
the magnetic field of each separate piece becomes stronger
the electric field is created
the bar magnet is demagnetized
Correct answer is A
When it is cut into two, the two cut pieces will have their own north and south poles.
The instrument used for securing a large number of similar charges by induction is called ...
Electrons passing through crystals are diffracted because they ...
A radioactive element has a decay constant of 0.077s-1. Calculate its half-life...
Two resistors 5Ω and 10Ω are arranged first in series and later in parallel to a 24V sou...
blowing air over a liquid aids evaporation by ...
The carbon-granules microphone works on the principle of change in ...