A carbon resistor has coloured strips as brown, green, orange and silver respectively. The values of resistance is?
A)15 kΩ + 10%
B)15 kΩ ± 5%
C)15 kΩ ± 20%
D)10 kΩ ± 5%
Answers
Answer:
(A) 15 KΩ ± 10 %
Explanation:
Given : A carbon resistor has coloured strips as brown, green, orange and silver respectively.
To Find : values of resistance
A)15 kΩ ± 10%
B)15 kΩ ± 5%
C)15 kΩ ± 20%
D)10 kΩ ± 5%
Solution:
4 Band
1st two colors are digit
3rd color is 10 raised to power multiplier
Then tolerance ( gold . silver / none )
Color Digit Multiplier
Black 0 10⁰
Brown 1 10¹
Red 2 10²
Orange 3 10³
Yellow 4 10⁴
Green 5 10⁵
Blue 6 10⁶
Violet 7 10⁷
Grey 8 10⁸
White 9 10⁹
Tolerance (%)
Gold 5
Silver 10
(none) 20
brown, green, orange and silver
1 5 10³ ± 10%
Hence 15 * 10³ ± 10%
= 15 k ± 10%
values of resistance is 15 k ± 10%
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