Electricity

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15 Jul 2012 19:20:56 IST
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time constants
Engineering Entrance , Medical Entrance , AIPMT , JEE Main , AIIMS , JEE Advanced , Physics , Electricity

how many time constants will elapse before the current in a charging cr circuit drops half of its initial value....??? its an hcv ques ......need soln ...........pls..



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Sagar Saxena's Avatar

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Joined: 8 Oct 2008
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25 Jul 2012 00:15:22 IST
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hello

 i=ioe-t/rc

when i=io  then t=rcln2 

1 time contant=rc

hence time elapsed=.693time constant ans..


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25 Jul 2012 00:43:04 IST
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