JEE Main & Advanced
AIEEE Paper (Held On 11 May 2011)
question_answer
If \[400\Omega \]of resistance is made by adding four \[100\Omega \] resistances of tolerance 5%, then the tolerance of the combination is:
AIEEE Solved Paper (Held On 11 May 2011)
A) 5%
B) 10 %
C) 15 %
D) 20 %
Correct Answer:
A
Solution :
\[R=100\pm 5\] \[4R=400\pm 20\] Tolerance of combination is also 5%.