An inclined plane making an angle 
with the horizontal is placed in a uniform horizontal electric field of 
as shown in the figure. A small block of mass 
and charge, 
is allowed to slide down from rest from a height, 
. If the coefficient of friction is 0.2, then the acceleration of the block is nearly, (Acceleration due to gravity, 
)
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
Electric field 
Writing forces along inclined plane and 
From fig. 
Given,
and 
and 
Putting these values, we get in above equation
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