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Although it was known that inductive action travelled

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Although it was known that inductive action travelled [#permalink]

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05 Aug 2013, 09:43
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Although it was known that inductive action travelled with finite velocity in space, and that an electro-magnet would affect the space about it practically inversely as the square of the distance, nearly all the physicists failed to form the only conception of it that was possible.

A. and that an electro-magnet would affect the space about it practically inversely as the square of the distance
B. and an electro-magnet would affect the space about it practically inversely as the square of the distance
C. and also that an electro-magnet would affect the space about it practically inversely like the square of the distance
D. and that an electro-magnet would affect the space about them practically inversely as the square of the distance
E. and also known that an electro-magnet would affect the space about it practically inversely as the square of the distance

[Reveal] Spoiler:
A & B both seem right. Why does A win over B?
[Reveal] Spoiler: OA

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Re: Although it was known that inductive action travelled [#permalink]

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05 Aug 2013, 10:10
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Hi Blueseas,

Lets forget C,D,E as they are obviously wrong. In this sentence the parallel marker is and, so i have simplified the sentence below. I still don't see what is wrong with B?

A. Although it was known that X did blah blah, AND that Y did blah blah, nearly all the physicists failed to form the only conception of it that was possible.
B. Although it was known THAT X did blah blah, AND Y did blah blah, nearly all the physicists failed to form the only conception of it that was possible.
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Re: Although it was known that inductive action travelled [#permalink]

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11 Aug 2015, 10:03
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tronghieu1987 wrote:
Engr2012 wrote:
tronghieu1987 wrote:
Could anyone tell me in the correct choice A, what is the usage of "as". I found it quite strange and thus came to choice C with the word "like", which is even more ironical after I comprehended the meaning of the sentence.

This is a very standard usage of "as" to refer to proportionality of 1 quantity wrt the other .

Example, in this question , the effect of electro magnetic force varies inversely as square of the distance.

Mathematically, this translates to E=1/d^2.

Something varies inversely or directly as the 2nd entity.

Hope this helps.

I could a bit understand from the perspective of math equation. But could you please give me another example, in writing, of this usage of "as", but not related to math?

IMO, I think that this usage of "as" is strictly for relations as mentioend above. Other uses of 'as' include:

1. To assign a role: As the leader of the group, Tom presided over the evening meeting.
2. For comparison: Amy takes care of the children in the day care as a mother does.

Hope this helps.
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Re: Although it was known that inductive action travelled [#permalink]

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05 Aug 2013, 10:01
summer101 wrote:
Although it was known that inductive action travelled with finite velocity in space, and that an electro-magnet would affect the space about it practically inversely as the square of the distance, nearly all the physicists failed to form the only conception of it that was possible.

A. and that an electro-magnet would affect the space about it practically inversely as the square of the distance
B. and an electro-magnet would affect the space about it practically inversely as the square of the distance
C. and also that an electro-magnet would affect the space about it practically inversely like the square of the distance
D. and that an electro-magnet would affect the space about them practically inversely as the square of the distance
E. and also known that an electro-magnet would affect the space about it practically inversely as the square of the distance

[Reveal] Spoiler:
A & B both seem right. Why does A win over B?

first of all IMO there should be no comma before AND(WOULD BE HAPPY IF SOMEONES EXPLAINS THIS)
AS and is acting as parallelism marker.
SUBORDINATE clause starting with ALTHOUGH donot need a conjuction to connect clauses.
ALTHOUGH X ,Y==>this is correct construction===>1
ALTHOUGH X ,and Y===>THIS IS INCORRECT===>2
NOTE: X AND Y are clauses here.

in this case clause X is :it was known that inductive action travelled with finite velocity in space, [u]and that an electro-magnet would affect the space about it practically inversely as the square of the distance
CLAUSE Y : nearly all the physicists failed to form the only conception of it that was possible.

A. and that an electro-magnet would affect the space about it practically inversely as the square of the distance
this is correct as THAT is required for parallel structure

B. and an electro-magnet would affect the space about it practically inversely as the square of the distance
THIS ONE lacks THAT (which is required for parallelism)....moreover it seems to be type2 construction as explained above..which is incorrect

C. and also that an electro-magnet would affect the space about it practically inversely like the square of the distance
and also ==>redundant.....like =>incorrect it should be AS

D. and that an electro-magnet would affect the space about them practically inversely as the square of the distance
PRONOUN NUMBER ERROR . (IT is needed in place of THEM)

E. and also known that an electro-magnet would affect the space about it practically inversely as the square of the distance
AND ALSO ==>REDUNDANT
KNOWN==>NOT REQUIRED

HENCE OPTION A
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Re: Although it was known that inductive action travelled [#permalink]

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05 Aug 2013, 10:31
summer101 wrote:
Hi Blueseas,

Lets forget C,D,E as they are obviously wrong. In this sentence the parallel marker is and, so i have simplified the sentence below. I still don't see what is wrong with B?

A. Although it was known that X did blah blah, AND that Y did blah blah, nearly all the physicists failed to form the only conception of it that was possible.
B. Although it was known THAT X did blah blah, AND Y did blah blah, nearly all the physicists failed to form the only conception of it that was possible.

SEE actually the problem with B is that:
Although it was known that inductive action travelled with finite velocity in space, and an electro-magnet would affect the space about it practically inversely as the square of the distance, nearly all the physicists failed to form the only conception of it that was possible.

actually according to intended meaning two clauses should be parallel.
now when you remove that ...it seems that we are making SPACE AND ELECTRO MAGNET parallel(both are noun)...which is not the intended meaning.

take other example:

I want to retire a place WHERE I can relax AND WHERE the taxes are low.

now if you remove where from second part
I want to retire a place WHERE I can relax AND the taxes are low.
if you read it first, it looks like AND is joining relax with another verb ... but as there's no verb , you realize that the sentence is describing the place

so, to avoid this confusion ... use WHERE because the taxes ... it not only clears that confusion but removes the awkwardness

hope this helps
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Re: Although it was known that inductive action travelled [#permalink]

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07 Aug 2013, 19:37
Although it was known that inductive action travelled with finite velocity in space, and that an electro-magnet would affect the space about it practically inversely as the square of the distance, nearly all the physicists failed to form the only conception of it that was possible.

A. and that an electro-magnet would affect the space about it practically inversely as the square of the distance

Correct
B. and an electro-magnet would affect the space about it practically inversely as the square of the distance

lacks parellilism
C. and also that an electro-magnet would affect the space about it practically inversely like the square of the distance
lacks parellelism
also is redundant

D. and that an electro-magnet would affect the space about them practically inversely as the square of the distance

pronoun error (them)
E. and also known that an electro-magnet would affect the space about it practically inversely as the square of the distance
also is redundant
lacks paraellism

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Re: Although it was known that inductive action travelled [#permalink]

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07 Aug 2013, 20:01
summer101 wrote:
Although it was known that inductive action travelled with finite velocity in space, and that an electro-magnet would affect the space about it practically inversely as the square of the distance, nearly all the physicists failed to form the only conception of it that was possible.

A. and that an electro-magnet would affect the space about it practically inversely as the square of the distance - Correct
B. and an electro-magnet would affect the space about it practically inversely as the square of the distance - missing relative pronoun that
C. and also that an electro-magnet would affect the space about it practically inversely like the square of the distance - and also can be eliminated, if there are other choices without any error and we have A
D. and that an electro-magnet would affect the space about them practically inversely as the square of the distance - pronoun match error
E. and also known that an electro-magnet would affect the space about it practically inversely as the square of the distance - and also can be eliminated, if there are other choices without any error and we have A

A comma is used for And when it connects two clauses, but here And is connecting two subordinate clauses.. not sure but learning from correct answer seems to be a valid punctuation. Good news is actual test does not test only punctuation.

Hope this helps
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Re: Although it was known that inductive action travelled [#permalink]

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11 Aug 2015, 08:27
Could anyone tell me in the correct choice A, what is the usage of "as". I found it quite strange and thus came to choice C with the word "like", which is even more ironical after I comprehended the meaning of the sentence.

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Re: Although it was known that inductive action travelled [#permalink]

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11 Aug 2015, 08:31
tronghieu1987 wrote:
Could anyone tell me in the correct choice A, what is the usage of "as". I found it quite strange and thus came to choice C with the word "like", which is even more ironical after I comprehended the meaning of the sentence.

This is a very standard usage of "as" to refer to proportionality of 1 quantity wrt the other .

Example, in this question , the effect of electro magnetic force varies inversely as square of the distance.

Mathematically, this translates to E=1/d^2.

Something varies inversely or directly as the 2nd entity.

Hope this helps.
_________________

Thursday with Ron updated list as of July 1st, 2015: http://gmatclub.com/forum/consolidated-thursday-with-ron-list-for-all-the-sections-201006.html#p1544515
Inequalities tips: http://gmatclub.com/forum/inequalities-tips-and-hints-175001.html
Debrief, 650 to 750: http://gmatclub.com/forum/650-to-750-a-10-month-journey-to-the-score-203190.html

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Re: Although it was known that inductive action travelled [#permalink]

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11 Aug 2015, 09:00
Engr2012 wrote:
tronghieu1987 wrote:
Could anyone tell me in the correct choice A, what is the usage of "as". I found it quite strange and thus came to choice C with the word "like", which is even more ironical after I comprehended the meaning of the sentence.

This is a very standard usage of "as" to refer to proportionality of 1 quantity wrt the other .

Example, in this question , the effect of electro magnetic force varies inversely as square of the distance.

Mathematically, this translates to E=1/d^2.

Something varies inversely or directly as the 2nd entity.

Hope this helps.

I could a bit understand from the perspective of math equation. But could you please give me another example, in writing, of this usage of "as", but not related to math?

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Re: Although it was known that inductive action travelled   [#permalink] 11 Aug 2015, 09:00
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