Gce Model Questions Vol1 2017 Physics Question 23

Practice objective / multiple choice question 23 from the 2017 Gce Model Questions Vol1 Physics examination.

Gce Model Questions Vol1 2017 Physics Objective / Multiple Choice Hard Difficulty
Question 23 GCE_MODEL_QUESTIONS_VOL1 • 2017 • PHYSICS • objective

A point charge \(+5.0\ \mu\text{C}\) is placed \(0.12\ \text{m}\) from the centre of an isolated conducting sphere of radius \(0.04\ \text{m}\) that is initially uncharged. (a) Find the magnitude of the total induced charge on the surface of the sphere. (b) Find the magnitude of the electric field just outside the sphere's surface after induction. (c) Find the electrostatic potential of the sphere relative to infinity.

Answer Options

A. a) 1.0 μC; b) 9.4×10^5 N C⁻¹; c) -3.7×10^4 V
B. a) 2.5 μC; b) 8.1×10^6 N C⁻¹; c) -4.2×10^5 V
Correct Answer C. a) 1.7 μC; b) 9.4×10^6 N C⁻¹; c) -3.7×10^5 V
D. a) 0.85 μC; b) 1.2×10^7 N C⁻¹; c) -2.9×10^5 V
Correct Answer
C
Correct Option:
a) 1.7 μC; b) 9.4×10^6 N C⁻¹; c) -3.7×10^5 V

About This Question

This is Gce Model Questions Vol1 2017 Physics Question 23. It is one of the objective questions from the 2017 Gce Model Questions Vol1 Physics examination.

Difficulty level: Hard .

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