Current Electricity Charging Discharging Of Capacitors Question 430
Question: The colour sequence in a carbon resistor is red, brown, orange and silver. The resistance of the resistor is
[DCE 2004]
Options:
A) $ 21\times 10^{3}\pm 10% $
B) $ 23\times 10^{1}\pm 10 $
C) $ 21\times 10^{3}\pm 5% $
D) $ 12\times 10^{3}\pm 5% $
Show Answer
Answer:
Correct Answer: A
Solution:
Red, brown, orange, silver red and brown represents the first two significant figures. Significant figures Multiplier Tolerance Red Brown Orange Silver 2 1 103 ± 10% \ R = $ 21\times 10^{3}\pm 10% $
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