Two resistors R and R2 are connected in parallel in an electric circuit. If the resistance R1 is changed from 12 to 12.2 ohms and R2 is changed from 22 to 21.8 ohms, find the absolute change, relative change and percentage change in the total resistance R.

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Temperature Variance of Resistance

Electrical resistance or simply resistance is the property of a material that opposes the free flow of electrons through it. The total amount of resistance to the flow of charges (or current) is affected by many factors like the length of the conducting material, its cross-sectional area, resistivity, and temperature.