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blagadagadah!
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here's a question we got given from our teacher (AS level)
Design a laboratory experiment to investigate how the resistance of a house brick varies with temperature in the range 20 to 800 degrees centegrade. it is known that the reststance on the brick is very high. the brick is of a non-uniform shape, and the resistance is to be measured from the two end faces.
personally i don't know where to start. or go on to.
any ideas people?!
Design a laboratory experiment to investigate how the resistance of a house brick varies with temperature in the range 20 to 800 degrees centegrade. it is known that the reststance on the brick is very high. the brick is of a non-uniform shape, and the resistance is to be measured from the two end faces.
personally i don't know where to start. or go on to.
any ideas people?!