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![[Post New]](/templates/default/images/icon_minipost_new.gif) 1 Jul 2007 13:43:45 IST
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WHAT IS THE ELECTRIC FIELD OF A METAL SLAB WHOSE TOTAL CHARGE ON ONE OF THE SIDES IS 'Q' AND SIDE LENGTH ' L' ?
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1 Jul 2007 16:35:10 IST
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electric field inside a metal body is zero.
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if one of the sides has a charge Q the other side must also hav a charge Q. so therefore the e field on both sides is is of the same mag. electric field due to a charged metallic slab at any pt outside it is given by E=  /2  o where is the surface charge density. therefore = Q/area= Q/L 2 hence E= Q/2 oL 2 (note- this is applicable only for a pt nearer to the centre, ie it is not app for pts at the sides of the slab) at any pt inside the slab E=0
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1 Jul 2007 18:56:15 IST
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I think the electric field on both of the length-based sides of the metal slab is q / 2 ebsilon not if the slab is placed in vaccum or air.
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Ken
From: UNITED STATES, Green Bay, Wisconsin
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2 Jul 2007 11:06:20 IST
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electric field is calculated by a metal body ata point...so please menion the poin at which u wanna noe the field..in case it is outside then a5hwln has done correctly
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a 2nd year IIT DELHI student, doing B.Tech in chemical engineering |
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