1.

The colour sequence in a carbon resistor is red, brown, orange and silver. The resistance of the resistor is [DCE 2004]

A.            \[21\times {{10}^{3}}\pm 10%\]
B.                                      \[23\times {{10}^{1}}\pm 10\]
C.            \[21\times {{10}^{3}}\pm 5%\]                                        
D.            \[12\times {{10}^{3}}\pm 5%\]
Answer» B.                                      \[23\times {{10}^{1}}\pm 10\]


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