Which value of current does the ammeter used in A.C. circuit measure?
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