Asked by Eileen
Thanks so much for all your help damon!
I think this is my last one:
h t t p ://img408.imageshack.us/my.php?image=circuit1al8.png
The reading of the ammeter is 2 A. The reading of the voltmeter is 33 V. Determine the unknown resistance and emf (picture linked above- remove spaces).
I think this is my last one:
h t t p ://img408.imageshack.us/my.php?image=circuit1al8.png
The reading of the ammeter is 2 A. The reading of the voltmeter is 33 V. Determine the unknown resistance and emf (picture linked above- remove spaces).
Answers
Answered by
Dan
emf sets top most node to emf V.
Nodal at top node:
(emf - V)/5 = 2A
=> emf = 43V
ohms law at top node:
(43V - 33V)/12 = Current right branch = 0.83A
Current in left branch = A + 0.83 = 2.83A
R = 33/2.83 = 11.66 Ohms
Although, this question is a little odd because there's no ground.
Nodal at top node:
(emf - V)/5 = 2A
=> emf = 43V
ohms law at top node:
(43V - 33V)/12 = Current right branch = 0.83A
Current in left branch = A + 0.83 = 2.83A
R = 33/2.83 = 11.66 Ohms
Although, this question is a little odd because there's no ground.
Answered by
Eileen
ty so much dan!
Answered by
Dan
No problem ^^
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