1. Electric Charges and Fields
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यदि एक आवेश $q$ को एक अचालक बंद अर्द्धगोलाकार सतह के केन्द्र पर रखा जाता है तो समतल सतह से गुजरने वाला कुल फ्लक्स होगा

A

$\frac{q}{\varepsilon_{0}}$

B

$\frac{q}{2 \varepsilon_{0}}$

C

$\frac{q}{4 \varepsilon_{0}}$

D

$\frac{ q }{2 \pi \varepsilon_{0}}$

(JEE MAIN-2022)

Solution

Total flux through complete spherical surface is $\frac{ q }{\varepsilon_{0}}$

So the flux through curved surface will be $\frac{q}{2 \varepsilon_{0}}$. The flux through flat surface will be zero.

Remark : Electric flux through flat surface is zero but no option is given, option is available for electric flux passing through curved surface.

Standard 12
Physics

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