Page 321 - Electrician -1st Year - TT
P. 321

è¼MJ¡ Ü÷¾«è£™ å«ó ñ£FKò£è                              Fig 4a
            Þ¼‚裶.  Þî¡ Ü÷¾èO¡ Ýó‹ð‹ ñŸÁ‹
            º®¾ ð°FJ™ ªï¼‚èñ£è  (cramped) CÚdÏm.
            (Fig 3)


              Fig 2a









                                                                    Fig 4b






              Fig 2b




                                                                  ï輋 Þ¼‹¹ è¼Mè°u ðò¡èœ,
                                                                  ñèœ ñŸÁ‹ b¬ñèœ  (Uses, advantages
                                                                  and disadvantages of Moving-iron instruments)
                                                                  àð«ò£èƒèœ  (Uses):  Þ¬õè¬÷  úYôph
              Fig 3                                               ÁhPo          ñŸÁ‹          AmÁhPoL[ôL
                                                                  àð«ò£èŠð´ˆîŠð´Aø£˜èœ.
                                                                    Lô«p    (W) î®ñù£è¾‹ °¬ø‰î
                                                                    ²ŸÁ â‡E‚¬è»ìÂñ£è Þ¼Šð¶
                                                                    AmÁhPÚdÏm                          ñŸÁ‹
                                                                    ùUpXõVRôLÜm ÜFè â‡E‚¬è
            Þî¡ Ü÷¾«è£L™ Ü÷¾ ºWôè Þ¼‚è  Cô˜                         ªè£‡ì ²ŸÁ‚è÷£è Þ¼‰î£™
            Þî¡ ¨ûXVô] Þ¼‹¬ð ° õ®õˆF™                            ܬõ         úYôph           ÁhPÚdÏm
            ܬñˆF¼Šð˜. (Fig 4a)                                     ðò¡ð´ˆ¶õ˜.

            Þ‰î G¬ôò£ù Þ¼‹¹ EÚû[ Y¥®p SôdÏ                        ñèœ  (Advantages): Þ¶ «ï˜ §ûN ñŸÁ‹
            Y¥Y  «îQ¼‹¹ îèhPôp  ùNnVl                             ñ£Á  §ûN  I¡²ŸÁ ÝAò Þ󇮽‹
            ThÓs[Õ.  ï輋 Þ¼‹ð£ù¶ ⊪𣿶‹                        ðò¡ð´Aø¶.  ñŸÁ‹ Þ¶ ¶¼õ º¬ù
            «îQ¼‹¹ˆ îè´è÷£™ îò£K‚èŠð´Aø¶.                         ÜŸø è¼M  (unpolorized instruments) â¡Á‹
            Þî¡ ï輋 ð£èñ£ù¶ ð‚è Þ¬íŠH™                           ܬö‚èŠð´Aø¶.
            Þ¬í‚èŠð†´ àœ÷¶.  ñŸÁ‹  Ïß¡V
                                                                  ÞF™ °¬ø‰î Ü÷¾ 裟Áˆ î¬ì
            Øû]ûV úSôd¡ SLÚm YûLW«p Fig 4b-™
                                                                  ªè£‡ì¶.  ØßdÏ M¬ê/â¬ìJ¡ MAî‹
            裆®»œ÷õ£Á ܬñ‚èŠð†´œ÷¶.
                                                                  ÜFèñ£è àœ÷¶.  Þî¡ M¬ô ï輋 ²¼œ
            ØßdÏ M¬ê I¡«ù£†ìˆF¡ õ˜‚è
                                                                  è¼M¬ò Mì °¬øõ£è àœ÷¶.  Þ¶
            ÍôˆFŸ° «ï˜MAîˆF™ Þ¼‚°‹.  Þ¬î
                                                                  Fìñ£ù ܬñŠ¹‹ âOî£è¾‹ àœ÷¶.  Þ¶
            °¬øŠðîŸè£è G¬ô Þ¼‹¬ð °ÁAò
                                                                  F¼ŠF ÜO‚°‹ Ü÷MŸ° ÜFèˆ îõÁî™
            ð°Fò£è  Ïû\dLlTÓ¡\¶.  Þîù£™
                                                                  Þ¡P ªî£NŸê£¬ô‚° «ð£¶ñ£ù Ü÷¾‚°
            ÜFèñ£ù Ü™ô¶ °¬øõ£ù ØßdÏ M¬ê
                                                                  àKò Ü÷¾ 裆´‹ è¼Mò£°‹. CûY 240                  0
            å«ó ñ£FKò£è Ü÷¾èœ àœ÷ Ü÷¾«è£L™
                                                                  Es[Pd¡V vúLûX ùLôiÓs[Õ.
            裆ìŠð´Aø¶.
            Þ‰î è¼MJ™ ¹M ߘŠ¹ 膴Šð£´ Ü™ô¶                        b¬ñèœ (Disadvantages):  ÞõŸP™ UvìKv,
            v©¬e 膴Šð£´ ܬñ‚èŠð†´œ÷¶.                            ©¬dÏYu£ «õÁ𣴠«õš 𣋠ñŸÁ‹
            å´‚è 膴Šð£´ M¬ê 裟ø¬ø îè´                           v®«ó «ñ‚ù®‚  À™†èOu Ü÷¾L[ôp
            ðò¡ð´ˆ¶A¡øù˜.
                              TYo : GXdh¬μVu (NSQF - Revised 2022) R.T. Ex.No. 1.10.83                         301
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