0000008578 00000 n It converts surface current density units ampere/square meter [A/m^2], ampere/square centimeter, ampere/square inch [A/in^2], ampere/square mil [A/mi^2], ampere/circular mil, abampere/square centimeter vice versa with metric conversion. The foot, finger is a subdivided shorter unit of a length. Then the electric current density can be related to the Electric Field by Equation [3]: Thus, the conductivity for the dipole material should first be determined for this particular case. What are the (a) magnitude and (b) direction of the current density J (c) What additional quantity do you need to calculate the total current i in this ion beam? 0000002182 00000 n 0000059392 00000 n Now the electric current carried by the conductor per square mm of its cross-section is 3/2.5 = 1.2 A. 0000058867 00000 n The unit of electric current density is denoted as ampere per square meter. Now due to applied electric potential, the conductor carries a current of 3 A. xref 0000000916 00000 n Here you simply select the units you have and input your figure. For measuring length used forearm, hand, foot & finger as a unit. 0000002953 00000 n 0000007873 00000 n 29 0 obj<> endobj The larger the exchange current density, the faster the reaction, and vice versa. endstream endobj 30 0 obj<> endobj 32 0 obj<> endobj 33 0 obj<>/Font<>/XObject<>/ProcSet[/PDF/Text/ImageB]/ExtGState<>>> endobj 34 0 obj<> endobj 35 0 obj<> endobj 36 0 obj[/ICCBased 50 0 R] endobj 37 0 obj<> endobj 38 0 obj<> endobj 39 0 obj<> endobj 40 0 obj<>stream The concept of current density is very simple but it is much use full in the field of electrical engineering.. Current Density in Metal. Solution: Given that, current (I) = 10mA = 10 ×10-3. The SI unit of current density is given as Ampere/Meter 2. 0000000016 00000 n �X�F���gOό����ZEڿK,�j�ـO4�9�S쌐#���ȯ�iR#����޾b���!��:�::!c��zof�%~l��U�6�. We use these systems for measure distances, volume, weight, speed, area etc. Measurement is the most important aspect of our life. trailer stream %�쏢 H�|W�n�6��+���OI�.q�.Z ��.�,��L2��N�������F)�D:>��\������pn^N��4i�Ĵi��?�m�o?tN�i�\]�{�:� N{���:4Kt�rӪ oʈ鹹o������.l�[�X*iG��|y�ޭ��zу8���v�;>���ޭ��t� �m����>��^�j���m#�r���ӫ�E)��ڤ�v�w����B���ε�bi��"�_����ۿ��g׊�F��p8?�K)��uҴ�R�5����#k"��\�%a7S�g��V@��蕆T�^�8��?�!U�e7��&���� ]n��I�N;�����R�o��P#T�b߸q��x��5o�'����_��B��z����QB��L[��� Z3UB�n�a�t�ΰ����X�(8�M'-k�phʪm?v�D���9��&\h���N��xp6‹d�u��WaN����Y���K8gu��Ff�p���1DŽ �|����y�)�y�x�J.i�װ�'�i��ބ �c#��l��0��g%[g��'M�$�ہ�'\hϔp�aP1ÄgE��#�~5KK�аh�h…�E�F8/Y۪v��%cg�\r�9��[ua,dXؘ…�=��g%c�&3�Y�ڌ��.iᖗ�p�a��=�L+���v�.���o�B&X�:]-�� ��I&\h�#. Note that the current density is often not constant, so a weighted summation (Equation [1]) is needed. All rights reserved. Suppose, we have taken one conductor of cross-section 2.5 square mm. This has been derived for a general CNT geometry in Ref. It is a vector quantity. 0000006154 00000 n 0000048880 00000 n It converts surface current density unitsampere/square meter [A/m^2], ampere/square centimeter, ampere/square inch [A/in^2],ampere/square mil [A/mi^2], ampere/circular mil, abampere/square centimeter vice versa withmetric conversion. 31 0 obj<>stream We have to distinguish between the neutron flux and the neutron current density. 0000059591 00000 n Then select the units you need to convert them to and voila, you have the new number. 0000003217 00000 n ^�[$�np�]��ޫd�:������ �g�w5/m�ɥ����r�[�Z�:::����1�66���h``R��H�;�,Q��@Z����Qb�gTbj��! In history for measurement people used the human body as a tool. © 2020 easyunitconverter.com . 0000008448 00000 n 0000003293 00000 n This type of measurement is not accurate cause different in size of the arm & finger for different people & some of the countries still using it. For All Type of Online Calculator & Metric Conversions. Although both physical quantities have the same units, namely, neutrons.cm-2.s-1, their physical interpretations are different. In the study of electromagnetism, Current Density is the measurement of electric current. <<5685a7975eac024daa1a888bbd60e602>]>> �S ����7����p�5�:��9PMR˜;���J5��W�V'��Qy3����~_>��i+�ŁԨ�Ǘpd��}?��Ӑ���8��F~�Z �|��+ We use measurement in science, engineering, business trading, personal life, education, and more other fields. Thus, the formula to calculate the current density is Current Density = Current (I) / Area (A) Solved Example on Current Density. 2) when the radius of the Amperian path is greater than b but less than c (i.e., bc<ρ< ). 0000006731 00000 n 0000002689 00000 n 0000002655 00000 n Finally, suppose a medium (material) has an electric conductivity given by (which is measured in Siemens/meter, which is the oppose (inverse) of resistance per length). Example 1: Determine the current density of the copper wire with the area of 20mm 2 and the flow of electrons is 10mA current. 0000059790 00000 n The reaction in the electrode proceeds at equal rates. In history, there were lots of measuring systems developed but mostly used imperial, the metric system of measurement. 29 31 x�b```�'�|� ce`a�8� ���x1P0��"C!Sz���*[Ϙ� When dealing with current density, the units of your variables can differ from what is typically given in the current density equation. Nowadays International Standard (SI) units are used as a global measurement system. [13] and for an infinitely thin SWNT and metal conductor in Ref. %%EOF 0000004855 00000 n The symbol "J" is used for electric current density. Hence, Gauge 21 having maximum current density Problem #2 A beam contains 2.0 x 10 8 doubly charged positive ions per cubic centimeter, all of which are moving north with a speed of 1.0 x 10 5 m/s. 0000059928 00000 n 0000059096 00000 n 0000001677 00000 n The easiest method to translate measurements is to use a good current density calculator. Suppose, we have taken one conductor of cross-section 2.5 square mm. As technology is growing day by day so we need a highly accurate and easy convenient global measuring system in each and every field. 1 ampere/square meter = 0.0001 ampere/square centimeter, 1 ampere/square centimeter = 10000 ampere/square meter, 1 ampere/square meter = 0.00064516 ampere/square inch, 1 ampere/square inch = 1550.0031 ampere/square meter, 1 ampere/square meter = 6.4516E-10 ampere/square mil, 1 ampere/square mil = 1550003100 ampere/square meter, 1 ampere/square centimeter = 0.0000064516 ampere/square mil, 1 ampere/square mil = 155000.31 ampere/square centimeter, 1 ampere/cicular mil = 1.2732395445 ampere/square mil, 1 ampere/square mil = 0.7853981636 ampere/cicular mil, 1 ampere/square centimeter = 0.1 abampere/square centimeter, 1 abampere/square centimeter = 10 ampere/square centimeter, ampere per circular mil to ampere per sq mil, ampere per sq mil to ampere per circular mil.

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