NTA Abhyas JEE Main2020PhysicsElectrostaticsPractice
Two uniformly long charged wires with linear densities λ and 3 λ are placed along X and Y axis respectively. Determined the slope of electric field at any point on the line y = 3 x .
Options
- A3 3
- B3 3 2
- C1 3 3
- D3
Correct answer
C. 1 3 3
Step-by-step solution
E x = 3 λ 2 π ϵ o x E y = λ 2 π ϵ o x 3 E → = 3 λ 2 πε 0 x i ^ + λ 2 πε 0 x 3 j ^ Slope = E y E x = 1 3 × 3 = 1 3 3