JEE Main 2026 Physics question
A three coulomb charge moves from the point (0,−2,−5) to the point (5,1,2) in an electric field expressed as N/C. The work done in moving the charge is J.
Answer: 186
Solution
W=q∫E·dr=3[∫₀⁵2x dx+∫₋₂¹3y² dy+∫₋₅²4 dz]=3[25+9+28]=186 J.