Questions
There is an electric field E in X-direction. If the work done on moving a charge 0.2 C through a distance of 2 m along a line making an angle with the X-axis is 4.0, what is the value of E
detailed solution
Correct option is D
W=qV=qE⋅d⇒4=0.2×E×2cos60∘=0.2E×(2×0.5)∴E=40.2=20 NC−1Talk 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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