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Views: 176572 Description: To compare the E.M.Fs of two given primary cells using a potentiometer and determine internal resistance of given primary cell XII.
Section A:-
1. To determine resistance per cm of a given wire by plotting a graph for potential difference versus current (Ohm's Law)
https://goo.gl/uawQJW .
2. To find resistance of a given wire using meter bridge and hence determine the resistivity (specific resistance) of its material. :- https://goo.gl/pzBq33
3. To verify the laws of combination (series) of resistances using a meter bridge. :- https://goo.gl/pzBq33
4. To verify the laws of combination (parallel) of resistances using a meter bridge. :- https://goo.gl/pzBq33
5. To compare the EMF of two given primary cells using potentiometer. :- https://goo.gl/6fAUY2
6. To determine the internal resistance of given primary cell using potentiometer. :- https://goo.gl/9LZ2NE
7. To determine resistance of a galvanometer by half-deflection method and to find its figure of merit. :- https://goo.gl/b3nSjv
8. To convert the given galvanometer (of known resistance and figure of merit) into a voltmeter of desired range and to verify the same. https://goo.gl/hgcnRR
9. To convert the given galvanometer (of known resistance and figure of merit) into an ammeter of desired range and to verify the same. https://goo.gl/hgcnRR
10. To find the frequency of AC mains with a sonometer. :- https://goo.gl/pqaKE0
Section B :-
1. To find the value of v for different values of u in case of a concave mirror and to find the focal length. :- https://goo.gl/psgmaA
2. To find the focal length of a convex mirror, using a convex lens. :- https://goo.gl/kAT3Gn
3. To find the focal length of a convex lens by plotting graphs between u and v or between 1/u and 1/v. :- https://goo.gl/KWmJ1X
4. To find the focal length of a concave lens, using a convex lens. https://goo.gl/W4INBc
5. To determine angle of minimum deviation for a given prism by plotting a graph between angle of incidence and angle of deviation. :- https://goo.gl/xcFR8c
6. To determine refractive index of a glass slab using a travelling microscope. https://goo.gl/lLHCr2
7. To find refractive index of a liquid by using convex lens and plane mirror. :- https://goo.gl/sxjRiF
8. To draw the I-V characteristic curve for a p-n junction in forward bias and reverse bias. :- https://goo.gl/S59IE0
9. To draw the characteristic curve of a zener diode and to determine its reverse break down voltage. https://goo.gl/SPPt9O
10. To study the characteristic of a common - emitter npn or pnp transistor and to find out the values of
current and voltage gains. https://goo.gl/o1V74z....