1 the electrical resistance of a wire varies with length as indicated
1. The electrical resistance of a wire varies with length as indicated in the table.
Length /m 5.0
Time / 0
Count 160 110 80 60
a. Plot a graph of resistance (y-axis) vs. length (x-axis).
2. Richard conducted an experiment to find the count rate of radioactive source over a period of
time. The following results were obtained.
a. Determine the dependent and independent variables
b. Plot a graph of count rate against time.
15 10 8
16 18 20 22
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