An infinite long semicircular tube is given as shown below one half is given a surface charge density +σ and other half is given charge density −,σ . Electric field at a point on axis would b

An infinite long semicircular tube is given as shown below one half is

1.	An infinite long semicircular tube is given as shown below one half is given a surface charge density +σ and other half is given charge density −,σ . Electric field at a point on axis would b
Answer» FRAC {\sigma}{\pi\in_0} \HAT j \\ (B) \;\frac{\sigma}{pi \in_0} \hat i \\ (C)\;\frac {-\pi \in_0} \hat i \\(D)\;\frac {\sigma}{pi \in_0} \hat jae $plz follow me and MARK as BRAINLIST!!!!!

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An infinite long semicircular tube is given as shown below one half is given a surface charge density +σ and other half is given charge density −,σ . Electric field at a point on axis would b

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