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a charged particle moves in a gravity-free space without change in velocity.which of the following is/are possible? 


(A)E=0,B=0           (B)E=0,Bnot=O      (C)Enot=0,B=0 (D)Enot=0,Bnot=0

7 years ago

Answers : (2)

Salim Shamim
37 Points
							

Freind :)

Answer must be A.

Explaination:

 As its moving with constant velocity it must not be experiencing any force as accelaration is =0. Therefore no Electric force hence no electric field is present there, also there is no magnetic field as a charge moves in circular path which is also a type of acceleration and causes change in velocity vector, 
therefore E=0 and also B=0. :)
Approve if u found useful 

7 years ago
Ramit Hansda
15 Points
							
Option C is correct 
qvB=Ee ,so B=0 E =0 is possible 
E not equal to zero B not equal to zero is possible 
If it is a circular motion velocity uniform E=0 but B not 0 is possible. .. 
 
5 months ago
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  • Previous Year Exam Questions


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