An increase or decrease in resistance
We will weigh objects by a strain gauge or R = 120Ω, GF= 2.02 mounted on copper column of 6-in. diameter. Find the change in resistance per pound placed on the column. Is this change an increase or decrease in resistance?
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A 2.0L kettle contains 116g of boiler scale (CaCO3). how many times would the kettle have to be compleletly filled with distilled water to remove all of the deposit at 25degC?
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