A small charge q is rotated in a complete circular path of radius r su – McqOptions

MCQOPTIONS

1.	A small charge q is rotated in a complete circular path of radius r surrounding another charge Q. The work done in this process is _________
A.	Zero
B.	( frac {qQ}{4 pi varepsilon r} )
C.	( frac {q}{4 pi varepsilon ( pi r)} )
D.	( frac {q}{4 pi varepsilon (2 pi r)} )
Answer» B. ( frac {qQ}{4 pi varepsilon r} )

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