Gce Model Questions Vol1 2024 Physics Question 42

Practice objective / multiple choice question 42 from the 2024 Gce Model Questions Vol1 Physics examination.

Gce Model Questions Vol1 2024 Physics Objective / Multiple Choice Hard Difficulty
Question 42 GCE_MODEL_QUESTIONS_VOL1 • 2024 • PHYSICS • objective

A point charge \(+Q = 5.0\ \mu\text{C}\) is placed at a height \(d = 0.020\ \text{m}\) above an infinite grounded conducting plane. Using the method of images, (a) find the magnitude and direction of the electrostatic force acting on the charge due to the induced charges on the plane, and (b) calculate the work required to bring the charge from infinity to this position against that force.

Answer Options

A. Force = 1.2×10^2 N downward; Work = 2.4 J
B. Force = 1.0×10^2 N downward; Work = 2.0 J
Correct Answer C. Force = 1.4×10^2 N downward; Work = 2.8 J
D. Force = 1.6×10^2 N downward; Work = 3.2 J
Correct Answer
C
Correct Option:
Force = 1.4×10^2 N downward; Work = 2.8 J

About This Question

This is Gce Model Questions Vol1 2024 Physics Question 42. It is one of the objective questions from the 2024 Gce Model Questions Vol1 Physics examination.

Difficulty level: Hard .

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