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Physics 10 Online
OpenStudy (aminamoazzam):

Need Help in MCQ's see attachment .. Plzz help ..

OpenStudy (aminamoazzam):

These are the questions Ans for 27 is D Ans for Q 28 is A and for 38 is C

OpenStudy (aminamoazzam):

@Michele_Laino

OpenStudy (aminamoazzam):

@ganeshie8

OpenStudy (michele_laino):

question #28 field line has to be perpendicular with respect to the surface of the conductors

OpenStudy (michele_laino):

@aminamoazzam

OpenStudy (michele_laino):

so pictures B and D can be excluded

OpenStudy (michele_laino):

we can exclude also picture C, since the charge density is greater when the distance between metal plates is smaller. so the right answer is option A

OpenStudy (aminamoazzam):

thanks .. can u help by explainingg the rest of questions

OpenStudy (michele_laino):

question #36 before removing the resistor W, your circuit is: |dw:1433879076085:dw|

OpenStudy (michele_laino):

and its equivalent circuit is: |dw:1433879222031:dw|

OpenStudy (michele_laino):

now the current is: I = V/R

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