CAIE A-Level Physics A2 18.3.1 That for a Point Outside a Spherical Conductor the Charge on the Sphere

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An isolated metal sphere of radius r is charged so that the electric field strength at its surface is $E_{0}$ .

On Fig. 6.1, sketch the variation of the electric field strength E with distance x from the centre of the sphere. Your sketch should extend from x=0 to x=3 r.

Fig. 6.1

from x=0 to x=r: E=0
from x=r to x=3 r : curve with negative gradient of decreasing magnitude passing through ( $r, E_{0}$ )
line passing through ( $2 r, E_{0} / 4$ ) and ( $3 r, E_{0} / 9$ )

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CAIE A-Level Physics A2 18.3.1 That for a Point Outside a Spherical Conductor the Charge on the Sphere Topic Practice

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