Pradeep Asked a Question
June 14, 2021 12:40 ampts 30 pts
. A non-conducting ring of mass m and radius R is charged as shown. The charge density i.e. Charge P unit length is 2.Itis then placed on a rough non-conducting horizontal plane. At time r=0, a uniform clectric field E=Ei is switched on and the ring starts rolling without sliding. The frictional force acting on the ring is TTTTTVTiTorX. (a) A RE, along negative x-axis . (c) 2ARE, along negative r-axis (b) ARE,along positive r-axis (d) 2ARE, along positive x-axis
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  • Sapna thankyou
    Answer is B
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