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Which amongthe curve shown in cannot posiblyrepresentelectrostaticfield lines? |
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Answer» Solution :(i)Fig (a) cann not REPRESENT electrostatic fieldlines because fieldlines must start normallyfrom the SURFACE of a conductor. (ii)Fig . (b)Cannot represent electrostatic FIELD lines because electric field lines must start from +ve CHARGE and end at -ve charge. field lines cannot end at +vecharge. (iii)Fig. (c)representelectrostatic field lines. Moreover from field lines we GUESS that the two +ve charges are equal or almost equal. (vi)Fig (d). Cannot representfield lines because field lines can never interest with each other. Moreover, they cannot end on +ve charges. (v) Fig. (e)cannot represent field lines because electrostatic field lines cannot form closed loops and must start and end at the surface of a charged conductor normally. |
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