?The phenomenon of electromagnetic induction implies a production of induced
1). resistance in a coil when the magnetic field changes with time
2). current in a coil when an electric field?changes with time
3). current in a coil when a magnetic field?changes with time
4). ?voltage in a coil when a magnetic field?changes with time
1. Which of the following is not a part of a CRT ?
3. When a light wave is reflected from a mirror, there is a change in its
5. The term Isoneph indicates the lines of equal
6. The property of metals by which they can be beaten into thin sheets is called _______________.
7. A periscope works on the principle of
8. Sun appears red in colour at sunrise and sunset due to
10. The density of water is 1 g/cc. This is strictly valid at