Explain the construction and working of photodiode

Explain the construction and working of Aled.

Explain the construction and working of cyclotron.

Answer the following : Explain the construction and working of a periscope with the help of a diagram .

Explain the construction and working of solar cell?

Explain the construction and working of an open tube manometer.

Answer the following : Explain the construction and working of a kaleidoscope with the help of a diagram .

Explain the construction and working of a moving coil galvanometer. Hence, show that a current flowing through it is directly proportional to the deflection.

Answer the following questions : With a neat labelled diagram , explain the construction and working of a compound microscope .

Answer the following questions : Explain the construction and working of an electric motor. Draw a neat diagram and label it.

Explain the construction and working of a transformer. Derive an expression for ratio of emfs in terms of number of turns in primary and secondary coil (march 14,16 july 17).