# NEET Physics Mathematical Tools Questions Solved

Calculate the electric field on the axis of a very long uniformly charged, thin rod at a distance r from one end. The charge per unit length of the rod is $\lambda$[This question is only for Dropper and XII batch]

1. $\frac{2k\lambda }{r}$

2. $\frac{k\lambda }{r}$

3. $\frac{k\lambda }{2r}$

4. $\frac{k\lambda }{4r}$

Concept Videos :-

#16 | Calculus: Differential Equation
#19 | Numericals

Concept Questions :-

Integration
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