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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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17 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 carbon resistor has the following color code. What is the value of resistance?
A resistance is shown in the figure. Its value and tolerance are given respectively by :
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The colour coding on a carbon resistor is shown in the given figure. The resistance value of the given resistor is:
The value of a resistor with colour Brown, black and gold is
The value of a resistor with colour Orange, red, brown is
A resistance of unknown value connected across a 45 V supply gives 1 mA current. The color code of the resistor is
The digit 8 in colour code of a resistance is represented by
The tolerance of a resistance is given as 0.1%. which colour represents this tolerance
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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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