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Electric Charges and Fields — Physics STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 SciencePhysicsElectric Charges and Fields1 Mark
Question
A thin, metallic spherical shell contains a charge $Q$ on it. A point charge q is placed at the centre of the shell and another charge $q_1$ is placed outside it as shown in figure. All the three charges are positive. The force on the charge at the centre is:
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Answer


Electric field due to $Q\  q,$ inside the spherical shell is zero.

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