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પ્રવાહ વિદ્યુત

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પ્રવાહ વિદ્યુત

bold 10 bold space bold capital omega અવરોધ ધરાવતા તારને સમાન રીતે ખેંચીને તેની લંબાઈમાં 10% નો વધારો કરવામાં આવે તો નવા તારનો અવરોધ કેટલો થાય ?

  • bold 1 bold. bold 1 bold space bold capital omega
  • bold 11 bold. bold 1 bold space bold capital omega
  • <pre>uncaught exception: <b>Http Error #404</b><br /><br />in file: /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/com/wiris/plugin/impl/HttpImpl.class.php line 61<br />#0 [internal function]: com_wiris_plugin_impl_HttpImpl_0(Object(com_wiris_plugin_impl_HttpImpl), NULL, 'http://www.wiri...', 'Http Error #404') #1 /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/php/Boot.class.php(769): call_user_func_array('com_wiris_plugi...', Array) #2 [internal function]: _hx_lambda->execute('Http Error #404') #3 /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/haxe/Http.class.php(532): call_user_func_array(Array, Array) #4 [internal function]: haxe_Http_5(true, Object(com_wiris_plugin_impl_HttpImpl), Object(com_wiris_plugin_impl_HttpImpl), Array, Object(haxe_io_BytesOutput), true, 'Http Error #404') #5 /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/php/Boot.class.php(769): call_user_func_array('haxe_Http_5', Array) #6 [internal function]: _hx_lambda->execute('Http Error #404') #7 /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/com/wiris/plugin/impl/HttpImpl.class.php(27): call_user_func_array(Array, Array) #8 /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/haxe/Http.class.php(444): com_wiris_plugin_impl_HttpImpl->onError('Http Error #404') #9 /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/haxe/Http.class.php(458): haxe_Http->customRequest(true, Object(haxe_io_BytesOutput), NULL, NULL) #10 /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/com/wiris/plugin/impl/HttpImpl.class.php(40): haxe_Http->request(true) #11 /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/com/wiris/plugin/impl/TextServiceImpl.class.php(80): com_wiris_plugin_impl_HttpImpl->request(true) #12 /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/service.php(19): com_wiris_plugin_impl_TextServiceImpl->service('mathml2accessib...', Array) #13 {main}</pre>
  • bold 13 bold. bold 1 bold space bold capital omega
Answer

    • કેટલા ઈલેક્ટ્રોન 1 A નો પ્રવાહ રચે છે ?

    • bold 6 bold. bold 25 bold space bold cross times bold space bold 10 to the power of bold 9
    • bold 6 bold. bold 25 bold space bold cross times bold space bold 10 to the power of bold 18
    • bold 6 bold. bold 25 bold space bold cross times bold space bold 10 to the power of bold 5
    • bold 6 bold. bold 25 bold space bold cross times bold space bold 10 to the power of bold 6
    Answer
    • r ત્રિજ્યા ધરાવતા તારનો અવરોધ R છે. જો આ તારમાંથી 2r ત્રિજ્યાવાળો નવો તાર બનાવવામાં આવે તો નવો અવરોધ .................. થશે.
    • bold R over bold 2
    • bold R over bold 16

    • 2R

    • 4R

    Answer
    • વાહકનો વિશિષ્ટ અવરોધ .................. પર આધારિત છે.

    • લંબાઈ

    • આડછેદના ક્ષેત્રફળ

    • દળ

    • ઉપરમાંથી એકપણ નહિ.

    Answer
    • Advertisement
    300 K તાપમાને bold 1 bold space bold capital omegaઅવરોધ ધરાવતા પદાર્થનો અવરોધ કયા તાપમાને bold 2 bold space bold capital omega થશે ? અવરોધકતા તાપમાન ગુણાંક bold 0 bold. bold 00125 bold space open parentheses bold degree bold C close parentheses to the power of bold minus bold 1 end exponent છે.

    • 1400 K

    • 1154 K

    • 1127 K

    • 600 K

    C.

    1127 K

    Tips: -

    bold theta bold space bold equals bold space bold 300 bold space bold K bold space bold equals bold space bold 27 bold space bold degree bold C bold comma bold space bold theta subscript bold o bold space bold equals bold space bold 0 bold space bold degree bold C bold space bold લેતાં bold R subscript bold theta bold space bold equals bold space bold R subscript bold o bold space open square brackets bold 1 bold space bold plus bold space bold alpha bold space open parentheses bold theta bold space bold minus bold space bold theta subscript bold o close parentheses close square brackets bold R subscript bold 27 bold space bold equals bold space bold 1 bold space bold equals bold space bold R subscript bold o bold space open parentheses bold 1 bold space bold plus bold space bold 0 bold. bold 00125 bold space bold cross times bold space bold 27 close parentheses bold space bold. bold. bold. bold. bold. bold. bold. bold. bold. bold. bold. bold left parenthesis bold 1 bold right parenthesis bold R subscript bold t bold space bold equals bold space bold 2 bold space bold equals bold space bold R subscript bold o bold space open square brackets bold 1 bold space bold plus bold space bold 0 bold. bold 00125 bold space bold cross times bold space bold t close square brackets bold space bold. bold. bold. bold. bold. bold. bold. bold. bold. bold. bold. bold. bold. bold. bold left parenthesis bold 2 bold right parenthesis bold સમીકરણ bold space bold left parenthesis bold 2 bold right parenthesis bold space bold અને bold space bold left parenthesis bold 1 bold right parenthesis bold space bold નો bold space bold ગુણોત્તર bold space bold લેતા bold space bold 2 over bold 1 bold space bold equals bold space fraction numerator bold 1 bold space bold plus bold space bold 0 bold. bold 00125 bold space bold cross times bold space bold t over denominator bold 1 bold space bold plus bold space bold 0 bold. bold 00125 bold space bold cross times bold space bold 27 end fraction bold 2 bold space bold plus bold space bold 54 bold space bold cross times bold space bold 0 bold. bold 00125 bold space bold equals bold space bold 1 bold space bold plus bold space bold 0 bold. bold 00125 bold space bold t bold t bold space bold equals bold space bold 854 bold space bold degree bold C bold space bold equals bold space bold 854 bold space bold plus bold space bold 273 bold space bold equals bold space bold 1127 bold space bold K
    Answer
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