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Electric fields (A-level only)

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Question 3

An isolated spherical conductor has a radius RRR. The electric potential at its surface is VVV due to its charge. What is the magnitude of the electric field strength EEE at the surface of the conductor?

VRV RVR

VR\frac{V}{R}RV​

VR2\frac{V}{R^2}R2V​

VR2V R^2VR2

Electric fields (A-level only) Questions

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