below. The nth order smallness is charac- terized by e" and € = with being the R 2 smallness parameter. In general the nth or- der term takes the form Ce", where C is some finite constant (e.g 0.1

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Choice 4 not corret

Consider the field due to a uniformly
charged disk of radius R and charge Q. Along
the symmetry axis at distance z from the cen-
ter, the field has been written in following
forms.
where
。 (1-√√R² +2²³)
Eeract = Eo
E₁ ≈ E (1-2)
R
(Q/A)
280
Eo =
To compare the accuracy of different ap-
proximations it is convenient to work with
the normalized difference to be specified
Transcribed Image Text:Consider the field due to a uniformly charged disk of radius R and charge Q. Along the symmetry axis at distance z from the cen- ter, the field has been written in following forms. where 。 (1-√√R² +2²³) Eeract = Eo E₁ ≈ E (1-2) R (Q/A) 280 Eo = To compare the accuracy of different ap- proximations it is convenient to work with the normalized difference to be specified
below. The nth order smallness is charac-
2
terized by e" and € =
with being the
e
R
smallness parameter. In general the nth or-
der term takes the form Ce", where C is some
finite constant (e.g 0.1 < C < 10).
For the normalized difference
Eexact - E₁
Eo
identify the correct choice among the follow-
ing
1. e4
2. €³
3. €²
4. €
Transcribed Image Text:below. The nth order smallness is charac- 2 terized by e" and € = with being the e R smallness parameter. In general the nth or- der term takes the form Ce", where C is some finite constant (e.g 0.1 < C < 10). For the normalized difference Eexact - E₁ Eo identify the correct choice among the follow- ing 1. e4 2. €³ 3. €² 4. €
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I have used concept of binomial theorem 

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