> � When coming to measure those two datas, the datas gained from each trial were very inconsistent, which was presumably caused by the inconsistent rubbing with sandpaper, which will be further elaborated in the suggestions for improvements. [http://resources.schoolscience.co.uk/CDA/16plus/copelech2pg1.html], “Resistance: Chapter 1 – Basic Concepts of Electricity”. May 8. In conclusion, the experiment was a successful investigation that successfully answers the research question of how basically changing the length of a wire (specially a nichrome wire with a diameter of 0.315 cut into measurements of 10cm, 20cm, 30cm, 40cm and 50cm) could affect the electrical resistance generated within the wires. "1A#279BQXaqx�$8Rw�����(3SYgv���������%&4CEu���������)6:HIWbcrt����������� �� = !1AQaq�"����2BR��br��#����CS�3s����� ? Secondly, resistance can also be used a very useful tool that enables you to control certain things. Equipment List A lump of Play ¡Doh c, four nails, a voltage supply, two multimeters, a at piece of > @ B D J L ��������������ɻ�������������������������������� j: h�_� UjH= - v v � v v v v v � � � v v v v v v v ���� ���� ���� ���� ���� ���� ���� ���� ���� ���� ���� ���� ���� ���� ���� ���� ���� b v v v v v v v v v � � : Experiment To Measure The Resistivity Of A Wire Equipment: 1m of constantan wire of diameter 0.27 and 0.56 mm, 1m of nichrome wire of diameter 0.27 and 0.56 mm 12 V supply, 2 multimeters Procedure Take one of the pieces of constantan wire and record its diameter in three places using the micrometer screw gauge. Kinetics Lab Explained: Iodination of Acetone, The Energy of Phase Changes Lab Explained, Determination of Acetic Acid In Vinegar Lab Explained, Energy Content of Food Lab Report Answers, Pip and Joe’s Relationship in Great Expectations, Dulce Et Decorum Est by Wilfred Owen: Poem Analysis, The Manhunt by Simon Armitage: Poem Analysis, The experiment will work with 5 sets of nichrome, Each wire will be measured with an ohmmeter of, wires, starting from the length of 10 cm, added, a multimeter with an uncertainty of ±0.01Ω, with increments of 10cm. Complete all trials in the same area/room, in the same time of the day, using the same materials. R e c o r d t h e r e a d i n g s o n t h e a m m e t e r a n d v o l t m e t e r f o r 8 d i f f e r e n t l e n g t h s . [http:// bbc.co.uk/schools/gcsebitesize/design/electronics/calculationsrev1.shtml], “Resistance and Resistivity” N.p., n.d. Web. ��[(���[v>F"j'#q��|d�Q:����q!�r�hk*AƭO��Nx�kO4��ɭx��l�ꈣQ���G��.n�?+���D�Y��g}�t�D�.�f��(9����Ql� 8l�O�n�� ��D�vm�p_#���@� Gather materials and set up the circuit as shown in the experiment diagram above. Cut the wire with scissors into 5 separate wires with measurements of 10, 20, 30, 40 and 50cm. 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resistivity lab report discussion

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resistivity lab report discussion

Get 150cm of nichrome wire and scrap or rub it with sandpaper in order to make it conductive. It only takes seconds! ]�sT�:t�;���#/�X�/�Fjm'�oDY2ob�ߞz1GN2�-��N��B The datas for the length of wires (independent variable) were 10cm to 50cm with an increment of 10cm between each wire, while the resistance (dependent variable) seemed to display a lowest data of 3.48 Ω and a highest data of 8.48 Ω, which seems to fit well with modelled best fit line graph, which is visibly supported by the coefficient determination (R2) which states that the best-fit line fits the scattered data by 94.98%. Article last reviewed: 2019 | St. Rosemary Institution © 2010-2020 | Creative Commons 4.0. Record the resistance reading from the multimeter of each of the 5 wires. Source: “Resistance” Physics Classroom. z | ~ � � � � � � � � � � � � � � � � � � � � � � � � ��`�� ��`�� ��^�� Set up the circuit as shown in the diagram. /Subtype/Image Title Experiment To Measure The Resistivity Of A Wire Author Mark Ian Dixon Last modified by Education Created Date 5/15/2011 8:45:00 PM Company Pre-installed Company Other titles Experiment To Measure The Resistivity Of A Do not consume any of the materials used, and keep them away from eyes. h�_� UVUh�_� 5�6�CJ OJ QJ h�_� 5�6�>*CJ h�_� 5�6�>*CJ OJ QJ h�_� 5�6�CJ h�_� CJ OJ QJ j h�_� U When electrons travel through wires or other external circuits, they travel in a zigzag pattern that results in a collision between the electrons and the ions in the conductor, and this is known as resistance. ���� JFIF ` ` �� C �� C�� +�" �� Therefore, the longer the wire, the higher the resistance. /Width 501 How does changing the length of a nichrome wire with a diameter of 0.315 mm – cut into measurements of 10cm, 20cm, 30cm, 40cm and 50cm — affect the electrical resistance generated within the nichrome wires that can be captured by an ohmmeter while keeping the temperature and the location of the experiment controlled? BBC, Sep 15. Wash all materials thoroughly with warm water and soap after experiment. ! A longer wire also means that it would have more atoms, which means it will be more likely for moving electrons to collide with them; hence, higher resistance. If one short wire has a resistance of 1 ohm, then 2 shorts wires would have a resistance of 2 ohms when connected in series. The resistance of a wire varies according to the four factors of the wire; they are the temperature, material, diameter/thickness and length of the wire. Doubling a length of a wire is just like having two of the shorter wires in series. 2006. Two data of the largest errors went way above the predicted line, which from it we can infer that the collected data is considered to have an inconsistent precision. ATTENTION: Please help us feed and educate children by uploading your old homework! uncertainty of ±0.05cm and will be as follows: 10, A diameter of a wire is one of the factors, that could affect a wire’s resistance for, there will be more room available for the, affect the resistance of the wire because, the resistance of the wire since it causes, voltage, the more voltage and current will, crucial step as it would result in better. Your online site for school work help and homework help. >> � When coming to measure those two datas, the datas gained from each trial were very inconsistent, which was presumably caused by the inconsistent rubbing with sandpaper, which will be further elaborated in the suggestions for improvements. [http://resources.schoolscience.co.uk/CDA/16plus/copelech2pg1.html], “Resistance: Chapter 1 – Basic Concepts of Electricity”. May 8. In conclusion, the experiment was a successful investigation that successfully answers the research question of how basically changing the length of a wire (specially a nichrome wire with a diameter of 0.315 cut into measurements of 10cm, 20cm, 30cm, 40cm and 50cm) could affect the electrical resistance generated within the wires. "1A#279BQXaqx�$8Rw�����(3SYgv���������%&4CEu���������)6:HIWbcrt����������� �� = !1AQaq�"����2BR��br��#����CS�3s����� ? Secondly, resistance can also be used a very useful tool that enables you to control certain things. Equipment List A lump of Play ¡Doh c, four nails, a voltage supply, two multimeters, a at piece of > @ B D J L ��������������ɻ�������������������������������� j: h�_� UjH= - v v � v v v v v � � � v v v v v v v ���� ���� ���� ���� ���� ���� ���� ���� ���� ���� ���� ���� ���� ���� ���� ���� ���� b v v v v v v v v v � � : Experiment To Measure The Resistivity Of A Wire Equipment: 1m of constantan wire of diameter 0.27 and 0.56 mm, 1m of nichrome wire of diameter 0.27 and 0.56 mm 12 V supply, 2 multimeters Procedure Take one of the pieces of constantan wire and record its diameter in three places using the micrometer screw gauge. Kinetics Lab Explained: Iodination of Acetone, The Energy of Phase Changes Lab Explained, Determination of Acetic Acid In Vinegar Lab Explained, Energy Content of Food Lab Report Answers, Pip and Joe’s Relationship in Great Expectations, Dulce Et Decorum Est by Wilfred Owen: Poem Analysis, The Manhunt by Simon Armitage: Poem Analysis, The experiment will work with 5 sets of nichrome, Each wire will be measured with an ohmmeter of, wires, starting from the length of 10 cm, added, a multimeter with an uncertainty of ±0.01Ω, with increments of 10cm. Complete all trials in the same area/room, in the same time of the day, using the same materials. R e c o r d t h e r e a d i n g s o n t h e a m m e t e r a n d v o l t m e t e r f o r 8 d i f f e r e n t l e n g t h s . [http:// bbc.co.uk/schools/gcsebitesize/design/electronics/calculationsrev1.shtml], “Resistance and Resistivity” N.p., n.d. Web. ��[(���[v>F"j'#q��|d�Q:����q!�r�hk*AƭO��Nx�kO4��ɭx��l�ꈣQ���G��.n�?+���D�Y��g}�t�D�.�f��(9����Ql� 8l�O�n�� ��D�vm�p_#���@� Gather materials and set up the circuit as shown in the experiment diagram above. Cut the wire with scissors into 5 separate wires with measurements of 10, 20, 30, 40 and 50cm.

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