A current carrying conductor, such as a metal wire, will produce a magnetic field around it because of the motion of charge within the wire itself. This motion produces or sets up a magnetic field around the wire in the form of concentric circles.
The potential inside a charged hollow sphere is __________.
X-rays belong to which category of waves?
When a forward bias is applied to a p-n junction, it
Which of the following statement is correct?
I. Value of ‘g’ is higher at poles than equator
II. Weight of an object at moon is 1...
What is myopia?
In order to use the transistor as an amplifier, it has to operate in the____ region
Light from a point source in air falls on a spherical glass surface (n=1.5 c and radius of curvature = 10 cm). The distance of the light source from the...
An image formed by a plane mirror is ______.
Cryogenics is a branch of Physics that deals with what?
The colour of sky appears blue due to –
