erelatpe are placed on ordre is (l) 6 Choose the conect statement A protos teeds

Question

erelatpe are placed on ordre is (l) 6 Choose the conect statement A protos teeds to go front region kw pooential to a regionechinh (b) The polenitial of a seguively charged opndactor most be regdive (e)tf E 0 at a point P then v must br teroid P point P then E must be zem Rt P (el Notie erths above is correct 7pTwolaegervrallel plates aery eheuge erequal muumitade, one peoitive ard the other their inter surfaces, Rank the pairRs l through aegnive, that is dstribated uniformly SaccordisR no the magnicade of electric field at the points, least gratest. 5,41,2 4 and 5 tie, tben 2 and 3 tie 2 and 3 tie, then 1 and 4 tie, thm (e)2 and tie, then 1.4 and 5 tie The equipotential sarfsec aasociaiei wii sisilitel point charge (b) vertical planes (c) horizontal planes (d) coocentric spheres cendered at the charge linders with the charge on the wis (e) concentrie ne capacitance ofa parallel plaie capacitor can be inereased by (a) increasing the charge decreasing the charge (c) increasing the plate separation (d) decreasing the plate separation (e) decreasing the plate area

Explanation / Answer

5) inner surface +3 outer surface +7

6) a)proton goes from high to low potential

b)potential of a -vely charged conductor can be -ve or +ve

c)if e = 0 v can be anything

d) if v is 0 e can be anything

ans is none is correct

7)ans is c) 1,4,5 will have same E , as E due to each plate will cancel each other and for 2 & 3 both will add up

8)the que. is not clear so i will tell you equipotential surfaces for some common figure

point charge, spere (solid and hollow conducting and non conducting) concentric spheres

for sheet parallel planes and the field at any point is always perpendicular to the surface at that point

9) d) decreasing the plate separation

since as we decrease the separation for same E i.e. charge V = E*d is less

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