Gce Model Questions Vol1 2025 Physics Question 50
Practice objective / multiple choice question 50 from the 2025 Gce Model Questions Vol1 Physics examination.
A point charge \(+Q\) with magnitude \(Q = 6.0\ \mu\text{C}\) is placed at a distance \(d = 0.040\ \text{m}\) from the centre of an isolated conducting spherical shell whose inner radius is \(a = 0.020\ \text{m}\) and outer radius \(b = 0.050\ \text{m}\). The shell is initially uncharged. (i) State the magnitude and sign of the induced charge on the inner surface of the shell. (ii) Calculate the magnitude of the electric field at a point \(P\) that lies on the line through the centre and the external charge, at a distance \(r = 0.10\ \text{m}\) from the centre of the shell (outside the shell).
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About This Question
This is Gce Model Questions Vol1 2025 Physics Question 50. It is one of the objective questions from the 2025 Gce Model Questions Vol1 Physics examination.
Difficulty level: Hard .
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