Colour Coding of Resistors

Q. A resistance is shown in the figure. Its value and tolerance are given respectively by:

1. $270\Omega ,5\text{\%}$
2. $27k\Omega ,10\text{\%}$
3. $270\Omega ,10\text{\%}$
4. $27k\Omega ,20\text{\%}$

Q. Average power dissipated in a series AC RLC circuit connected to a source whose voltage is given by, $E=E_0\sin \left(\omega t\right)$, if $X_L=X_C$ is -

$R$ is the resistance of the resistor.

1. $\frac{(E_0{)}^2}{R}$
2. $\frac{(E_0{)}^2}{2R}$
3. $\frac{2(E_0{)}^2}{R}$
4. $\frac{3(E_0{)}^2}{R}$

Q.

What formula is used to calculate resistance using the color code?

Q. Colour code of a carbon resistor is given as below.



The value of resistance and tolerance respectively, are

1. $62\times {10}^5\Omega ,10\%$
2. $63\times {10}^5\Omega ,5\%$
3. $62\times {10}^5\Omega ,20\%$
4. $12\times {10}^5\Omega ,10\%$

Q.

Is there some way of producing high voltage on your body without getting a shock?

Q. What is the resistance of a carbon resistance which has bands of colours brown, black and brown

1. $1000\Omega$
2. $100\Omega$
3. $10\Omega$
4. $1\Omega$

Q. The ratio of powers dissipated respectively in $R$ and $3R$, as shown is

1. $9$
2. $\frac{27}{4}$
3. $\frac{4}{9}$
4. $\frac{4}{27}$

Q. A carbon resistance is having a followingcoding green, orange, black and gold. Its resistance is

1. $53\times {10}^{\circ }\Omega \pm 5\%$
2. $53\times {10}^1\Omega \pm 5\%$
3. $53\times {10}^{\circ }\Omega \pm 10\%$
4. $53\times {10}^1\Omega \pm 10\%$

Q.

The power dissipated by a light bulb with 4 ohm resistance when connected in parallel to 12 V battery is

1. 3.6 W

2. 36 W

3. 0.36 W

4. None of these

Q. A carbon resistor has following colour code. What is the magnitude of resistance ?(G=Green, O=Orange, Y=Yellow)

1. 1.64 m$\Omega \pm$ 5 %
2. 64 k$\Omega \pm$ 10 %
3. 530 k$\Omega \pm$ 5 %
4. 5.3 m$\Omega \pm$ 5 %

Q. The colour code of a carbon resistor is, Brown, Black, Brown and Red. The value of the resistor is?

1. $10\Omega \pm 5\%$
2. $1k\Omega \pm 2\%$
3. $100\Omega \pm 2\%$
4. $10\Omega \pm 2\%$

Q.

The value of two resistance are R1(6+/- 0.3) k ohm R2(10+/-0.2) k ohm. Find the % error in the equivalent resistance when they are connected in parallel.

Q. In the figure a carbon resistor has band of different colours on its body. The resistance of the following body is

1. $2.2k\Omega$
2. $9.1k\Omega$
3. $3.3k\Omega$
4. $5.6k\Omega$

Q. A carbon resistor of $(47\pm 4.7)k\Omega$ is to be marked with rings of different colours for its identification. The colour code sequence will be

1. 
   Yellow-Green-Violet-Gold
2. 
   Violet-Yellow-Orange-Silver
3. 
   Green-Orange-Violet-Gold
4. 
   Yellow-Violet-Orange-Silver

Q. The colour coding on a carbon resistor is shown in the given figure. The resistance value of the given resistor is

1. $(7400\pm 740\Omega )$
2. $(3700\pm 185)\Omega$
3. $(7400\pm 370\Omega )$
4. $(3700\pm 370)\Omega$

Q. A carbon resistor has coloured bands as shown in Figure given below. The resistance of the resistor is:

1. $26\Omega \pm 10\%$
2. $26\Omega \pm 5\%$
3. $260\Omega \pm 5\%$
4. $260\Omega \pm 10\%$

Q. If the color code of the carbon resistance is Red, Orange yellow, Gold. Find the value of resistance.

Q.

Do the Inductors have the Resistance?

Q. A carbon resistor of $(47\pm 4.7)k\Omega$ is to be marked with rings of different colours for its identification. The colour code sequence will be:

1. Green-Orange-Violet-Gold
2. Violet-Yellow-Orange-Silver
3. Yellow-Green-Violet-Gold
4. Yellow-Violet-Orange-Silver

Q.

How to memorize the colour order of colour coded resistor??

Q. A carbon resistance has a following colour code. What is the value of the resistance ?

1. $64k\Omega \pm 10\%$
2. $5.3M\Omega \pm 5\%$
3. $1.64M\Omega \pm 5\%$
4. $530k\Omega \pm 5\%$

Q. Brown, Red and Orange coloured bands on a Carbon resistor are followed by silver band. The value of resistor is ________

1. $320\Omega \pm 5$%
2. $12k\Omega \pm 5$%
3. $12k\Omega \pm 10$%
4. $320\Omega \pm 10$%

Q. The order of coloured rings in a carbon resistor is red, yellow, blue and silver. The resistance of the carbon resistor is :

1. $24\times {10}^6\Omega \pm 5\%$
2. $24\times {10}^6\Omega \pm 10\%$
3. $34\times {10}^4\Omega \pm 10\%$
4. $26\times {10}^4\Omega \pm 5\%$

Q. There are three red colored bands on a carbon resistor. What is its resistance ?

1. $2200$
2. $2.2$
3. $(2200\pm 20\%)$
4. $1.76$ to $2.64$

Q. According to international convention of colour coding in a wire

1. Live is red, neutral is yellow and earth is green
2. Live is red, neutral is green and earth is black
3. Live is brown, neutral is blue and earth is black
4. Live is red, neutral is black and earth is green

Q. For a colour coded carbon resistance, initial three bands are red and fourth band is silver. Its resistance is

1. $222\Omega \pm 10\%$
2. $2200\Omega \pm 10\%$
3. $333\Omega \pm 5\%$
4. $33000\Omega \pm 10\%$

Q. A carbon resistor has a value of $62\times {10}^3\Omega$ with a tolerance of 5%. Write colour code for this resistor in sequence.

Q. A resistor is marked with colours red, red, orange and gold. Write the value of its resistance.

Q. A carbon film resistor has colour code Green Black Violet Gold. The value of the resistor is:

1. $50M\Omega$
2. $500M\Omega$
3. $500\pm 10\%$ $M\Omega$
4. $500\pm 5\%$ $M\Omega$

Q. A carbon resistor is marked in clour bands of red, black, orange and silver. What is the resistance and tolerence value of the resistor?