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# Thomas Edison invented the first electric light bulb causing

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Thomas Edison invented the first electric light bulb causing [#permalink]

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15 Dec 2010, 06:17
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Thomas Edison invented the first electric light bulb causing a major recession in the oil industry, in 1878.
(A) Thomas Edison invented the first electric light bulb causing a major recession in the oil industry, in 1878.
(B) A major recession on 1878 in the oil industry was caused when Thomas Edison invented the first electric light bulb.
(C) In 1878, Thomas Edison invented the first electric light bulb, causing a major recession in the oil industry.
(D) The first electric light bulb was invented on 1878 by Thomas Edison, causing a major recession in the oil industry.
(E) When Thomas Edison, in 1878, invented the first electric light bulb, it created a major recession in the oil industry.
[Reveal] Spoiler: OA

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Re: electric light [#permalink]

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15 Dec 2010, 06:20
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Re: electric light [#permalink]

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15 Dec 2010, 08:53
+1 c
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Re: electric light [#permalink]

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15 Dec 2010, 17:24
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Hey guys,

Good question, so before it falls off the bottom of the page let me throw my hat in the ring behind choice C, as well.

This one is a classic logical timeline question (usually those are pure verb tense, but other elements apply). In B (and E), for example, saying that "a major recession happened when Edison invented..." makes it seem as though those were simultaneous events, and not a cause-and-effect, logical timeline.

C avoids this by using the modifiers " , causing a major recession", so that the action of invention is what (eventually) causes the recession - it wasn't a simultaneous event.

Often times when questions involve multiple verb tenses, modifiers that use time (like "in 1878,") or the word "when", it's helpful to draw up a logical timeline in your mind so that you can eliminate choices that violate it.
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Re: electric light [#permalink]

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25 Jul 2011, 23:09
VeritasPrepBrian wrote:
Hey guys,

Good question, so before it falls off the bottom of the page let me throw my hat in the ring behind choice C, as well.

This one is a classic logical timeline question (usually those are pure verb tense, but other elements apply). In B (and E), for example, saying that "a major recession happened when Edison invented..." makes it seem as though those were simultaneous events, and not a cause-and-effect, logical timeline.

C avoids this by using the modifiers " , causing a major recession", so that the action of invention is what (eventually) causes the recession - it wasn't a simultaneous event.

Often times when questions involve multiple verb tenses, modifiers that use time (like "in 1878,") or the word "when", it's helpful to draw up a logical timeline in your mind so that you can eliminate choices that violate it.

Dear brian
please throw some light why D is incorrect....
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Re: electric light [#permalink]

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17 Aug 2011, 18:45
In the option C, doesn't it look like the bulb has caused the recession.

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Re: electric light [#permalink]

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18 Aug 2011, 09:52
Warlock007 wrote:
please throw some light why D is incorrect....

Main Clause in the Passive voice.

To reject wrong choices, we should also keep in mind that right answer should also give you the meaning that "it was not the first bulb only but the 'act of invention of bulb' that caused the recessions in Oil Industry"

My Chose C
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Re: electric light [#permalink]

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18 Aug 2011, 13:15
VeritasPrepBrian wrote:
Hey guys,

Good question, so before it falls off the bottom of the page let me throw my hat in the ring behind choice C, as well.

This one is a classic logical timeline question (usually those are pure verb tense, but other elements apply). In B (and E), for example, saying that "a major recession happened when Edison invented..." makes it seem as though those were simultaneous events, and not a cause-and-effect, logical timeline.

C avoids this by using the modifiers " , causing a major recession", so that the action of invention is what (eventually) causes the recession - it wasn't a simultaneous event.

Often times when questions involve multiple verb tenses, modifiers that use time (like "in 1878,") or the word "when", it's helpful to draw up a logical timeline in your mind so that you can eliminate choices that violate it.

Brian/ Instructors,

while the answer is C beyond doubt for various reasons and i had the timeline (like 1978 and invention caused recession) in mind while working on this sc , i cant seem to come to terms with Brian's explanation for striking off B and E

agree that "a major recession happened when Edison invented..." makes it seem as though those were simultaneous events ,

but B actually states a recession was CAUSED when the bulb was invented ( does'nt the use of caused suggest one caused the other? )
similarly in E when Edison invented the bulb, it (invention) created a recession.

Again i know gramatically these sentences have mistakes and can be knocked off, but im more eager to know how these two sentences portray the 2 events to be simultaneous events so that i can analyze how i am being deceived by the wordings in these sentences or where im faltering.

can somebody help!!

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Re: electric light [#permalink]

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21 Aug 2011, 00:22
metallicafan wrote:
+1 c

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Re: electric light [#permalink]

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22 Sep 2011, 22:21
Picked B but later realised that C is better. thx for explaining guys.
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Re: electric light [#permalink]

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30 Sep 2011, 11:47
feruz77 wrote:
Thomas Edison invented the first electric light bulb causing a major recession in the oil industry, in 1878.
(A) Thomas Edison invented the first electric light bulb causing a major recession in the oil industry, in 1878.
(B) A major recession on 1878 in the oil industry was caused when Thomas Edison invented the first electric light bulb.
(C) In 1878, Thomas Edison invented the first electric light bulb, causing a major recession in the oil industry.
(D) The first electric light bulb was invented on 1878 by Thomas Edison, causing a major recession in the oil industry.
(E) When Thomas Edison, in 1878, invented the first electric light bulb, it created a major recession in the oil industry.

A - Incorrect - placement of 1n 1878 is incorrect
B - "A major recession on 1878" is incorrect
C - Correct
D - "was invented on 1878" is incorrect
E - "it created a major recession" ; "it" is ambiguous
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Re: electric light   [#permalink] 30 Sep 2011, 11:47
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# Thomas Edison invented the first electric light bulb causing

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