Skip to main content
Editing a short answer - math & science question by WIRIS
You have permission to :
Edit this question
General
Category
Default for System (16649)
Test-Lidia
Question name
Question text
<p><span style="font-family: arial,helvetica,sans-serif; font-size: medium;" data-mce-mark="1">La bobina de un transformador confeccionada de alambre de «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mo»#«/mo»«mi»m«/mi»«/math», «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mo»#«/mo»«mi»t«/mi»«mi»e«/mi»«mi»x«/mi»«mn»1«/mn»«/math», «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mo»#«/mo»«mi»t«/mi»«mi»e«/mi»«mi»x«/mi»«mn»2«/mn»«/math», «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mo»#«/mo»«mi»t«/mi»«mi»e«/mi»«mi»x«/mi»«mn»3«/mn»«/math» ¿Qué valor toma su «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mo»#«/mo»«mi»p«/mi»«/math»?</span></p> <p> </p> <p><span style="font-family: arial,helvetica,sans-serif; font-size: medium;" data-mce-mark="1">La variación de resistencia con la temperatura, está determinada por la siguiente expresión: </span></p> <p> </p> <p style="text-align: center;"><span style="font-family: arial,helvetica,sans-serif; font-size: medium;" data-mce-mark="1"> «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»r«/mi»«mi»f«/mi»«mo»=«/mo»«mi»r«/mi»«mi»i«/mi»«mo»§#183;«/mo»«mo»(«/mo»«mn»1«/mn»«mo»+«/mo»«mi»§#945;«/mi»«mo»§#183;«/mo»«mo»(«/mo»«mi»t«/mi»«mi»f«/mi»«mo»-«/mo»«mi»t«/mi»«mi»i«/mi»«mo»)«/mo»«mo»)«/mo»«/math»</span></p> <p> </p> <p><span style="font-family: arial,helvetica,sans-serif; font-size: medium;" data-mce-mark="1">Donde:</span></p> <p style="margin-left: 30px;"><span style="font-family: arial,helvetica,sans-serif; font-size: medium;" data-mce-mark="1">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»r«/mi»«mi»f«/mi»«/math» resistencia final «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mfenced open=¨[¨ close=¨]¨»«mi»§#937;«/mi»«/mfenced»«/math»</span></p> <p style="margin-left: 30px;"><span style="font-family: arial,helvetica,sans-serif; font-size: medium;" data-mce-mark="1">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»r«/mi»«mi»i«/mi»«/math» resistencia inicial «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mfenced open=¨[¨ close=¨]¨»«mi»§#937;«/mi»«/mfenced»«/math»</span></p> <p style="margin-left: 30px;"><span style="font-family: arial,helvetica,sans-serif; font-size: medium;" data-mce-mark="1">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»t«/mi»«mi»f«/mi»«/math» temperatura final «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mfenced open=¨[¨ close=¨]¨»«mrow»«mo»§#176;«/mo»«mi»C«/mi»«/mrow»«/mfenced»«/math»</span></p> <p style="margin-left: 30px;"><span style="font-family: arial,helvetica,sans-serif; font-size: medium;" data-mce-mark="1">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»t«/mi»«mi»i«/mi»«/math» temperatura inicial «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mfenced open=¨[¨ close=¨]¨»«mrow»«mo»§#176;«/mo»«mi»C«/mi»«/mrow»«/mfenced»«/math»</span></p> <p style="margin-left: 30px;"><span style="font-family: arial, helvetica, sans-serif; font-size: medium;" data-mce-mark="1">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»§#945;«/mi»«/math» coeficiente térmico «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mfenced open=¨[¨ close=¨]¨»«mfrac bevelled=¨true¨»«mn»1«/mn»«mrow»«mo»§#176;«/mo»«mi»C«/mi»«/mrow»«/mfrac»«/mfenced»«/math» para «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mo»#«/mo»«mi»m«/mi»«/math» es «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mo»#«/mo»«mi»a«/mi»«mo» «/mo»«mo» «/mo»«mfenced open=¨[¨ close=¨]¨»«mfrac bevelled=¨true¨»«mn»1«/mn»«mrow»«mo»§#176;«/mo»«mi»C«/mi»«/mrow»«/mfrac»«/mfenced»«/math»</span></p> <p> </p> <p> </p> <p><strong><span style="color: #ff0000; font-family: arial,helvetica,sans-serif; font-size: medium;" data-mce-mark="1">Observaciones:</span></strong></p> <p style="margin-left: 30px;"><span style="color: #ff0000; font-family: arial,helvetica,sans-serif; font-size: medium;">En el desarrollo considera mínimo 4 decimales y en el resultado final escribir dos decimales aproximados.</span></p> <p style="margin-left: 30px;"><span style="color: #ff0000; font-family: arial,helvetica,sans-serif; font-size: medium;">Ingresa la respuesta sin unidad c</span><span style="color: #ff0000; font-family: arial,helvetica,sans-serif; font-size: medium;">on punto de separación. </span></p> <p style="margin-left: 30px;"><span style="color: #ff0000; font-family: arial,helvetica,sans-serif; font-size: medium;" data-mce-mark="1">Por ejemplo: 3,249 debes ingresar 3.25</span></p> <p style="margin-left: 30px;"> </p>
Default mark
General feedback
<p> </p> <p><span style="font-family: arial,helvetica,sans-serif; font-size: medium;">La «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mo»#«/mo»«mi»p«/mi»«/math», de acuerdo a los datos es:</span></p> <p> </p> <p style="text-align: center;"><span style="font-family: arial,helvetica,sans-serif; font-size: medium;">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mo»#«/mo»«mi»t«/mi»«mi»e«/mi»«mi»x«/mi»«mn»4«/mn»«/math»</span></p> <p style="text-align: center;"> </p> <p style="text-align: center;"><span style="font-family: arial,helvetica,sans-serif; font-size: medium;">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mo»#«/mo»«mi»t«/mi»«mi»e«/mi»«mi»x«/mi»«mn»5«/mn»«/math»</span></p> <p style="text-align: center;"> </p> <p style="text-align: center;">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mo»#«/mo»«mi»t«/mi»«mi»e«/mi»«mi»x«/mi»«mn»6«/mn»«/math»</p> <p style="text-align: center;"> </p> <p style="text-align: center;">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mo»#«/mo»«mi»t«/mi»«mi»e«/mi»«mi»x«/mi»«mn»7«/mn»«/math»</p> <p style="text-align: center;"> </p> <p style="text-align: center;">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mo»#«/mo»«mi»t«/mi»«mi»e«/mi»«mi»x«/mi»«mn»8«/mn»«/math»</p> <p style="text-align: center;"> </p> <p style="text-align: center;">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mo»#«/mo»«mi»t«/mi»«mi»e«/mi»«mi»x«/mi»«mn»9«/mn»«/math»</p> <p style="text-align: center;"> </p> <p style="text-align: center;">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mo»#«/mo»«mi»t«/mi»«mi»e«/mi»«mi»x«/mi»«mn»10«/mn»«/math»</p> <p style="text-align: center;"> </p> <p style="text-align: center;">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mo»#«/mo»«mi»t«/mi»«mi»e«/mi»«mi»x«/mi»«mn»11«/mn»«/math»</p> <p style="text-align: center;"> </p> <p style="text-align: center;">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mo»#«/mo»«mi»t«/mi»«mi»e«/mi»«mi»x«/mi»«mn»12«/mn»«/math»</p> <p style="text-align: center;"> </p> <p style="text-align: center;">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mo»#«/mo»«mi»t«/mi»«mi»e«/mi»«mi»x«/mi»«mn»13«/mn»«/math»</p> <p style="text-align: center;"> </p> <p style="text-align: center;">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mo»#«/mo»«mi»t«/mi»«mi»e«/mi»«mi»x«/mi»«mn»14«/mn»«/math»</p> <p style="text-align: center;"> </p> <p style="text-align: left;" align="center"><span style="font-family: arial,helvetica,sans-serif; font-size: medium;">La «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mo»#«/mo»«mi»p«/mi»«/math» es</span> «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mo»#«/mo»«mi»s«/mi»«mi»o«/mi»«mi»l«/mi»«mo»§#32;«/mo»«/math»«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mo»#«/mo»«mi»p«/mi»«mn»1«/mn»«/math»</p> <p> </p> <p> </p>
No, case is unimportant
Yes, case must match
Correct answers
You must provide at least one possible answer. The first matching answer will be used to determine the score and feedback. Click the icon next to the answer field to edit the mathematical properties of the answer and the question.
Answer 1
Answer
Grade
None
100%
90%
83.33333%
80%
75%
70%
66.66667%
60%
50%
40%
33.33333%
30%
25%
20%
16.66667%
14.28571%
12.5%
11.11111%
10%
5%
Feedback
<p><span style="font-family: arial,helvetica,sans-serif; font-size: medium;">¡Muy Bien! tu respuesta</span></p>
Answer 2
Answer
Grade
None
100%
90%
83.33333%
80%
75%
70%
66.66667%
60%
50%
40%
33.33333%
30%
25%
20%
16.66667%
14.28571%
12.5%
11.11111%
10%
5%
Feedback
Answer 3
Answer
Grade
None
100%
90%
83.33333%
80%
75%
70%
66.66667%
60%
50%
40%
33.33333%
30%
25%
20%
16.66667%
14.28571%
12.5%
11.11111%
10%
5%
Feedback
Settings for multiple tries
Penalty for each incorrect try
100%
50%
33.33333%
25%
20%
10%
0%
Hint 1
Hint text
Hint 2
Hint text
Created / last saved
Created
by
Admin User
on
Thursday, 12 January 2017, 10:03 AM
Last saved
by
Admin User
on
Thursday, 12 January 2017, 10:03 AM
There are required fields in this form marked
.