Entry Test MCQ :: Electrostatics
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A hollow metallic sphere of 8cm diameter is charged with 4 x 10 8C. The potential on its surface will be
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900 volts | [B]. |
9000 volts
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90 volts | [D]. |
zero |
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aisha said:
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| how it is option B |
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Fatima said:
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| According to potential formula it will option b |
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kayynat said:
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| how diameter is related to work |
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ahmad said:
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| i dont understand |
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maaz said:
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| The question is wrong......the charge on the sphere should be 4x10^-8Coulumb
formula is V=kq/r......the radius will be 4cm=0.04m |
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Sirat said:
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| Yes option b is correct if charge is 4x10^-8 |
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shaheer ali said:
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| Plz tell me the formula |
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