CBSE Class 12 Physics Question Paper 2005 (4)

CBSE Class 12 Physics Question Paper 2005 (4). Students can download the last year question papers using the link below. Free download of examination question papers with solutions.Last 10 year question papers should be practised to get better marks in examinations.

Q1.Write the S I unit of magnetic flux. 

Q2.Two identical loops, one of copper and another of constantan are removed from a magnetic field within the same time interval. In which loop will the induced current be greater?

Q3.Name the type of biasing of a p-n junction diode so that the junction offers very high resistance. 

Q4.Name the device which can represent digital data by analog signals and vice-versa. 

Q5.Draw a labelled diagram of Daniel cell. What is the function of copper sulphate used in it?

Q6.State the underlying principle of an a.c. generator. Write the relationship between the peak value and r.m.s. value of alternating voltage.

Q7.An electron and a proton are moving in the same direction and possess same kinetic energy. Find the ratio of de Brogue wavelengths associated with these particles.

Q8. Draw a labelled circuit diagram to show the use of zener diode as a volt age regulator.

Please click the link below to download pdf file of CBSE Class 12 Physics Question Paper 2005 (4).