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answer is 2 photons electron e - +positron e + = + (2photons) annihilation process hence charge is conserved
E=rE 0 Total flux =E.dS dS=surface area =E 0 r x2 Rh cos =E 0 2 Rh x R because rcos =R & is the angle between area vector and E =2E 0 R 2 h
The charged body will induce an equal and opposite charge on the neutral body which leads to attraction between them. Also ,since both the particles have some mass they will have gravitational force...
If there were 5 charges at each corner then the net electric field at the centre would be 0 since it is a regular polygon .the electric field due to 4 charges will be equal and opposite to the...
in electrostatic condition , 1- the field inside the conducter is 0 . 2- the field just outside the surface will be just normal to the surface , this is beacuse the surface of the conducter is an...
@ raveesh what u need to understand is that ita c concept of earthing , now frst of all u need to know what is earthing – an earthing system or grounding system is circuitry which connects parts of...
@ raveesh Your question is incomplete , kindly repost the question again , what u want to know about the spherical conducter ?? waiting to hear from you again . ALL THE BEST ..
@ rahul Yes , its their in mains syllabus , but in advanced , its not their , directly . but as its a concept related to the 3d geometry , so, advanced might ask ques by combining the concept from 3d ...
@ rahul yes , its in the main syllabus , but not in advanced syllabus directly . but as its a angle subtended by cone , then advanced might ask a combined conceptual question on this by combining the ...
If some dielectric is present in the space between the charges, the net force acting on each charge is altered becuse charges are induced in the molecules of the intervening medium the force...
See for these type of questions. Draw the triangle and put charges at the three vertex and try to get the resultant force at the centroid by using the formula: F = K q1 q2/ r^2 You need to take care...
@ sree , The electric current can be defined as the flow of electrons per unit area , but when u are talking abt electricity , then its actually a sum total of many branches of current suming total . ...
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