When a body is connected to earth.Its potential is 0. That doesn’t necessarily mean it has to be uncharged.
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Okay but I have checked it from our guide book from arihanth... The answer they have given is uncharged
the body is positively charged before grounding and after that electrons flows from earth to body and body becomes neutral.
the Body is positively charged before grounding because If a body is grounded and electrons starts flowing into the body from then Earth this would mean that the charges inside the body are attracting the negative electrons from Earth as a potential difference is being developed at the two ends, the Earth and the body.