List of investigatory projects Class ----12 1- To study various factors on which internal resistance /EMF of a cell depends. 2- To investigate the relation between the ratio of 1-Input and output voltage and 2-Numbers turns in the secondary coil and primary coil of a self-designed transformer. 3-To set up a common base transistor circuit and to study its and to calculate its current gain. input and output characteristics 4-To set up a common emitter transistor circuit and to study its input and output characteristics and to calculate its current gain. 5-To construct a switch using a transistor and to draw the graph between the input and output voltage and make the cut –off , saturation and active region . 6-Using appropriate focal length lenses obtain magnifying power of compound microscope from collection various lenses and compare magnifying power also tell which one is more suitable? 7-Using appropriate focal length lenses obtain magnifying power of astronomical telescope from collection of various lenses and compare magnifying power also and tell which one is more suitable? 8- To study the factors on which self-inductance of a coil depends by observing the effect of this coil, when put in a series with a resistor/bulb in a circuit fed up by an A.C.source of adjustable frequency. 9- To investigate the dependency of the angle of deviation on the angle of incidence using a hollow prism filled one by one with different transparent fluid. 10-To discuss production of E.M .waves produced by different method .How these waves are helpful in communication. Discuss in detail .Compare their properties and application. 11-To design an appropriate logic gate combination for a given truth table. 12-To discuss report of effect of dielectric plate on 1-capacitance 2- charge 3- potential difference 4-Electric field 5- Electrostatic potential energy on placing it between the plates of parallel plate capacitor when 1-Battery is disconnected 2-Battery is disconnected. Also discuss other calculations and information’s relating with dialectic plates . Name of the students 1-Abhay singh 2- Dilip Singh samadhiya 3-Abhishek sharma 4-Akhilesh singh 5-Aditya singh 6- Rishiv singh 7-Ajay kumar 8- Gourav singh 9- Ajay soni 10-Shivam sharma 11-Divya Rani 12-Radhika sharma 13-Divya sharma 14-Sona 15-Gourav Rajawat 16-Rajkumar 17 –Prabal kumar singh 18 Vijay singh 19- Vishal Goyal 20-Rahul yadav 21-Satyam srivastam 22-Lovkush singh 23-Shweta Gautam 24-Siya yadav 25--Shubham Purohit Name and number of project allotted No -1 as per list No -2 No -4 No - 5 No -6 No 7 No -8 No 3 No - 9 No-10 No -11 No-12 No--5