jacina na el. pole Flashcards

(9 cards)

1
Q

sto e elektricno pole?

A

prostorot okolu sekoe naelektrizirano telo vo koe se custvuva dejstvo na elektricnitr sili

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2
Q

formula za el pole

A

E=F/q

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3
Q

jacina na el pole?

A

odnosot pomegju kolunovata sila sto dejstvuva pomegju nael. telo i proven polnez i goleminata na provniot polnez

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4
Q

formula za jacina na el pole

A

E=1/4ПEo * Q/r

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5
Q

od sto zavisi jacina na el pole

A

zavisi od polnezot na naelektriziranoto telo Q i rastojanieto pomegju teloto i probniot polnez r a ne zavisi od goleminata na provniot polnez

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6
Q

sto odreduva Dijalektricna konst vo dadena sredina i formulite

A

ova konstanta gi odreduva svojstvata na elektricnoto pole vo dadena sredina
Er=Eo/E E=1/4ПЕоЕr * Q/r na 2

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7
Q

superpozicija na el pole

A

koga vo prostorot ima povejke od dve naelk. tela togas vkupnata jacina na poleto od sistemot na telata se dobiva kako vektorski zbir na site jacini od el polinja na telata

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8
Q

elektricni silovi i lini ?

A

pretstavuvaaat zamisleni lini koi ja opisuvaat nasokata pravecot i goleminata na el pole. tie od pozitivno naelk. tela izleguvaat radialno a kaj negativno naelk. tela vleguvaaat radialno

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9
Q

homogeno elekricno pole i kako se dobiva

A

vo homogeno el pole silovite lini mejgusebno se paralelni i se so ednakva gustina.

se dobiva so dve bliski golemi paralelni i sprotivno naelk. pracki

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