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MHT-CET PCM 09 — MHT - CET STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceMHT - CETMHT-CET PCM 091 Mark
MCQ
The electrostatic potential inside a charged sphere is given as $V = Ar^2 + B,$ where $r$ is the distance from the centre of the sphere; $A$ and $B$ are constants. Then the charge density in the sphere is$.......$
  • A
    $20 A \varepsilon_0$
  • ✓
    $-6 A \varepsilon_0$
  • C
    $16 A \varepsilon_0$
  • D
    $-15 A \varepsilon_0$
✓

Answer

Correct option: B.
$-6 A \varepsilon_0$
$-6 A \varepsilon_0$

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