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![[Post New]](/templates/default/images/icon_minipost_new.gif) 29 Aug 2008 12:04:27 IST
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AN ELEC. DIPOLE IS PLACED AT ORIGIN AND IS DIRECTED ALONG THE X AXIS. AT A PT. P FAR AWAY FRM DIPOLE , ELEC. FIELD IS PARALEL TO Y AXIS.. OP MAKES ANGLE WITH X AXIS
(a) tan @= root 3
(b) tan @=1/root 2
(c)@ =45 .
(d) tan = 
expl howwww!!!?????
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29 Aug 2008 12:36:19 IST
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is the ans a ..??
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IMPOSSIBLES ARE OFTEN UNTRIED... |
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29 Aug 2008 12:38:19 IST
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NO,(d) is correct ans
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29 Aug 2008 23:32:01 IST
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let theta be d angle that OP makes with +ve X axis
alpha be the angle that resultant of E of the dipole makes with OP
now,
@+theta=90
And 2tan@=tan(theta)
put value of @
we get tan(theta)=root2
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