A ball of 80mg mass and a 2*10-8 charge is hung with a thread in a un – McqOptions

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1.	A ball of 80mg mass and a 210-8 charge is hung with a thread in a uniform horizontal electric field of 2104V/m. What is the angle made by the thread with vertical?
A.	27 degree
B.	30 degree
C.	45 degree
D.	0 degree
Answer» B. 30 degree

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