Explain the construction and working of solar cell?

Explain the construction and working of Aled.

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

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 photodiode

Explain the construction and working of cyclotron.

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 .

Answer the following questions : With a neat labelled diagram , explain the construction and working of an electric motor.

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

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).