PH-2131
Electric fields
Physics · Secondary 4 · Hard · Electric fields
A metal sphere carries a charge of . Point X is 0.20 m from the centre of the sphere and point Y is 0.40 m from the centre, along the same line. Comparing the electric field strength at X and at Y, which statement is correct?
- The field is four times stronger at X than at Y and in the same direction.
- The field is four times stronger at X than at Y and in the opposite direction.
- The field is half as strong at X as at Y and in the same direction.
- The field is half as strong at X as at Y and in the opposite direction.
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