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Resistor Colour Code - Practice Questions & MCQ
Edited By admin | Updated on Sep 18, 2023 18:34 AM | #JEE Main
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22 Questions around this concept.
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Carbon resistors used in electronic circuits are marked for their value of resistance and tolerance by a colour code. A given resistor has colour scheme brown,red,green and gold. Its value in ohms is
A resistance is shown in the figure. Its value and tolerance are given respectively by :
In the colour coding system , if only 3 bands are present then its tolerance is taken as
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The value of a resistor with colour Brown, black and gold is
The value of a resistor with colour Orange, red, brown is
10 resistors of colour code Brown, black, and white are connected in parallel. Then net resistance is
A resistance of unknown value connected across a 45 V supply gives 1 mA current. The color code of the resistor is
A student noted the colour of a resistance reversely as silver, orange, green and yellow. The actual value of resistance is
The digit 8 in colour code of a resistance is represented by
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Download EBookThe tolerance of a resistance is given as 0.1%. which colour represents this tolerance
Concepts Covered - 1
Colour coding of Resistance
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Colour coding of Resistance
The carbon resistance has normally four coloured rings bands $A, B, C$ and $D$.
Colour bands A and B Indicates the decimal figure.
Colour band C Indicates the decimal multiplier.
Colour band D Indicates the tolerance in per cent about the indicated value. Tolerance represents the percentage accuracy of the indicated value.
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To remember the sequence of colour code
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Tolerance of Gold is $\pm 5 \%$
Tolerance of Silver is $\pm 10 \%$
Tolerance if no colour $\pm 20 \%$
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