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ALL PHYSICS DOUBTS - POST HERE !!

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Kojoudeh95:
Can any1 help me in doin this!!! plZ :D!!! and plz explain indetail :P ;)

Ghost Of Highbury:

--- Quote from: Kojoudeh95 on May 25, 2010, 03:02:05 pm ---Can any1 help me in doin this!!! plZ :D!!! and plz explain indetail :P ;)

--- End quote ---

say the voltage is 6V

first diagram the 100 ohms (connected to Voltmeter) gets 100/200 * 6 = 3

for the second diagram the 100 ohms gets 100/190 * 6 = 3.15

thus increases a little

Kojoudeh95:

--- Quote from: A@di on May 25, 2010, 03:07:23 pm ---say the voltage is 6V

first diagram the 100 ohms (connected to Voltmeter) gets 100/200 * 6 = 3

for the second diagram the 100 ohms gets 100/190 * 6 = 3.15

thus increases a little

--- End quote ---

Thanks alot..i didnt think of it in that way...i just said in both cases its across the 100ohms so stays the same....thaaank youuu!!
:D :D :D ;) + rep :D

Ghost Of Highbury:

--- Quote from: Kojoudeh95 on May 25, 2010, 03:10:03 pm ---Thanks alot..i didnt think of it in that way...i just said in both cases its across the 100ohms so stays the same....thaaank youuu!!
:D :D :D ;) + rep :D

--- End quote ---

No issues. Good luck with the exam.

Raywin:
Hey guys, i really dont understand the concept of reflective index. :/ can someone explain it to me? :) OH and another thing. Wht is the relationship between the resistance of a wire and its length and diameter? :S

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