Questions
A point charge q moves from ‘P’ to ‘S’ along path PQRS in a uniform electric field E directed parallel to positive X - axis. The co-ordinates of the points P, Q, R and S are (a, b, 0), (2a, 0, 0), (a, -b, 0) and (0, 0, 0) respectively. The work done by field in the above process is given by
detailed solution
Correct option is B
F→=qEi^S→=-ai^-bj^W=F→. S→=−qEaTalk to our academic expert!
Similar Questions
A mass m = 20 g has a charge q = 3.0mC. It moves with a velocity of 20 m/s and enters a region of electric field of 80 N/C in the same direction as the velocity of the mass. The velocity of the mass after 3 seconds in this region is
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