Advantages - very cheap, and easy to replace. Since they fail open circuit, a small low value resistor can be used instead of a more expensive fuse.
Disadvantage = waste power, by turning it to heat. If you follow the link below and study the circuit diagram you will see that current is flowing in both Rb1 and Rb2 even when there is no signal being amplified. That "quiescent current" is wasted because it is not achieving anything and power is consumed through the production of heat.
Easy to replace
parallel combination of resistors are used in house circuits
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Electroplating has both advantages and disadvantages that essentially the same. It changes the surface properties of an object; that itself can be either an advantage or disadvantage depending on what you wanted to do with the object.
parallel combination of resistors are used in house circuits
there are many advantages. yet there are also diadvantages
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