If 400 Ω of resistance is made by adding four 100 Ω resistances of tolerance 5%, then the tolerance of the combination is :

Question

If 400 Ω of resistance is made by adding four 100 Ω resistances of tolerance 5%, then the tolerance of the combination is : (A) 5% (B) 10 % (C) 15 % (D) 20 %

Tardigrade Admin · Accepted Answer

R = 100 ± 5 4R = 400 ± 20 Tolerance of combination is also 5%.

Q. If 400 $Ω$ of resistance is made by adding four 100 $Ω$ resistances of tolerance 5%, then the tolerance of the combination is :

5%

10 %

15 %

20 %

$R = 100 \pm 5$
$4 R = 400 \pm 20$
Tolerance of combination is also 5%.

Q. If 400 Ω of resistance is made by adding four 100 Ω resistances of tolerance 5%, then the tolerance of the combination is :

5%

10 %

15 %

20 %

R=100±5 4R=400±20 Tolerance of combination is also 5%.

Q. If 400 $Ω$ of resistance is made by adding four 100 $Ω$ resistances of tolerance 5%, then the tolerance of the combination is :

$R = 100 \pm 5$
$4 R = 400 \pm 20$
Tolerance of combination is also 5%.