What are electromagnetic waves? Draw their propagation diagram. Show the electric field amplitude and magnetic field amplitude in the propagation diagram.
Define Mutual Inductance. Show that Henry = Newton Meter / Ampere².
On which factors and how do the following depend?
(i) Internal resistance of cell
(ii) Resistance of conductor
Compare the Astronomical Telescope and Compound Microscope on the basis of the following:
(i) Components
(ii)Magnifying power
Explain with reason whether any one of the above devices can be used as the other device.
(i) Components