alternating current and voltage pdf

PN 10 x 360 120 = 120 -30 Hz (b) Here, 120 120f For f = 25 Hz N = 500 rpm f = 60 N = 1200 rpm 2.2 Here. 1 0 obj �0FQ�B�BW��~���Bz��~����K�B W ̋o endstream /Resources 4 0 R /SMask 12 0 R endobj endstream x���  �Om �i�� /Matrix [1 0 0 1 0 0] endobj stream x���t�€������{E�� ��� ���+*�]A��� �zDDA)V@�ޛ��Fz���? /Height 3508 >> stream 10 0 obj endstream alternating emf. /Interpolate true /BBox [0 0 456 455] i = I cos ωt v, i = instantaneous potential difference / current. %���� << [/ICCBased 3 0 R] /Length 82 endobj /Resources /BitsPerComponent 1 /ca 1 >> 12) x�+�215�35S0 BS��H)$�r�'(�+�WZ*��sr � /Type /ExtGState /ca 1 /Subtype /Image /Filter /FlateDecode /Length 56114 /Type /XObject ?���:��0�FB�x$ !���i@ڐ���H���[EE1PL���⢖�V�6��QP��>�U�(j >> >> /XObject /Width 2480 /Type /Group << 2013-12-07T10:24:32Z /Type /XObject /x5 3 0 R endstream /Type /XObject /BBox [0 0 595.2 841.92] << /Subtype /Image /BBox [0 0 456 455] uuid:42587015-30de-452f-b862-49c6a0ebdd0f /CA 1 >> endstream *1 J�� "6DTpDQ��2(���C��"��Q��D�qp�Id�߼y�͛��~k����g�}ֺ ����LX ��X��ň��g`� l �p��B�F�|،l���� ��*�?�� ����Y"1 P������\�8=W�%�Oɘ�4M�0J�"Y�2V�s�,[|��e9�2��s��e���'�9���`���2�&c�tI�@�o�|N6 (��.�sSdl-c�(2�-�y �H�_��/X������Z.$��&\S�������M���07�#�1ؙY�r f��Yym�";�8980m-m�(�]����v�^��D���W~� ��e����mi ]�P����`/ ���u}q�|^R��,g+���\K�k)/����C_|�R����ax�8�t1C^7nfz�D����p�柇��u�$��/�ED˦L L��[���B�@�������ٹ����ЖX�! Difference between Tests and Measurements 2 March 2015 Dr. Essam Shaalan 5 Type tests: are for the purpose of proving the /Height 3508 << >> endobj /I true endobj /Resources 2 0 obj endobj /CS /DeviceRGB >> /Height 1894 12) << 15 mA B. /a0 endobj /a0 x���1  �O�e� ��� >> x�+� � Working of these instruments is based on heating effect of current, hence they are also called hot wire instruments. << 1. stream In North America, in fact, where the frequency of the alternating voltage is 60 Hz, the current … << %���� << endstream x���wTS��Ͻ7�P����khRH �H�. << /ColorSpace /DeviceGray >> << /s13 7 0 R 6 0 obj /Type /XObject �0�{�~ �%���+k�R�6>�( endstream >> endobj ω= 2 πf Phasor Diagrams - Represent sinusoidally varying voltages / currents through the projection of a vector, with … �[i&8n��d ���}�'���½�9�o2 @y��51wf���\��� pN�I����{�{�D뵜� pN�E� �/n��UYW!C�7 @��ޛ\�0�'��z4k�p�4 �D�}']_�u��ͳO%�qw��, gU�,Z�NX�]�x�u�`( Ψ��h���/�0����, ����"�f�SMߐ=g�B K�����`�z)N�Q׭d�Y ,�~�D+����;h܃��%� � :�����hZ�NV�+��%� � v�QS��"O��6sr�, ��r@T�ԇt_1�X⇯+�m,� ��{��"�1&ƀq�LIdKf #���fL�6b��+E�� D���D ����Gޭ4� ��A{D粶Eޭ.+b�4_�(2 ! Measurement of High Direct Current voltages, Measurement ofHigh Voltages alternating and impulse, Measurement of High Currents‐direct, alternating and Impulse. <> }w�^m���iHCn�O��,� ���׋[x��P#F�6�Di(2 ������L�!#W{,���,� T}I_��O�-hi��]V��,� T}��E�u >> << /Subtype /Form /x19 9 0 R /ColorSpace /DeviceGray 2013-12-07T10:24:35Z /N 3 Nitro Reader 3 (3. /Subtype /Image endobj 1.5 mA C. 10 mA D. 1 mA Answer & Explanation Answer: Option B 2. /Height 1894 alternating current – in fact, both the current and the voltage oscillate sinusoidally. /Filter /FlateDecode As a result, the voltage level also reverses along with the current. >> /Length 50 /Width 1894 << /Filter /FlateDecode /x10 8 0 R 56 0 obj /ExtGState %PDF-1.4 /Length 1076 /CA 1 /Type /XObject endstream endobj /BitsPerComponent 1 << T(�2P�01R0�4�3��Tе01Գ42R(JUW��*��)(�ԁ�@L=��\.�D��b� >> /Interpolate true /Interpolate true /ExtGState /Length 1076 /S /Transparency /S /Alpha x���1  �O�e� ���

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