you are required to select a carbon resistor of resistance $47 k Ω \pm 10$ from a large collection. (a)what should be the sequences of colour bands used to code it ?
(b) write the characteristics of manganin which make it suitable for making standard resistance.

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Solution

a) Resistance = $47 k Ω \pm 10$
Sequence of colour should be : Yellow,Violet,Orange and Silver

b) i) Very low temperature coefficient of resistance
ii) High resistivity.

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you are required to select a carbon resistor of resistance 47kΩ±10 from a large collection. (a)what should be the sequences of colour bands used to code it ?(b) write the characteristics of manganin which make it suitable for making standard resistance.

a) Resistance =47kΩ±10Sequence of colour should be : Yellow,Violet,Orange and Silverb) i) Very low temperature coefficient of resistanceii) High resistivity.

you are required to select a carbon resistor of resistance $47 k Ω \pm 10$ from a large collection. (a)what should be the sequences of colour bands used to code it ?
(b) write the characteristics of manganin which make it suitable for making standard resistance.

a) Resistance = $47 k Ω \pm 10$
Sequence of colour should be : Yellow,Violet,Orange and Silver

b) i) Very low temperature coefficient of resistance
ii) High resistivity.