16. The voltage is a. indirectly proportional b. linearly proportional c. indirectly inversely proportional d. inversely proportional proportional to the current. 17. Using the least-squares method, the y-intercept and the slope of the voltage (y) – current (x) curve was calculated. These values represent a. slope is for resistance, y-intercept is the dissipated voltage b. Slope is for the dissipated voltage, y-intercept is for resistance c. slope and y-intercept constitute the resistance d. slope is for the resistance, the y-intercept is for deviation / errors in the experiment 18. Why is the friction force reduced when the wooden block is made to glide through the inclined wooden plank? a. because not all the surface of the block touches the inclined wooden plank b. because the normal force decreases in this set-up c. because the wooden plank's smoothness is enhanced when inclined d. because the weight of the block decreases when inclined

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Resistivity

Resistivity is a characteristic property of the conductor’s material that measures the extent to which the material opposes the flow of current. It is denoted by the Greek letter “rho”. Electrical resistivity, also known as specific resistance, depends on the nature of the material of the conductor and is unaffected by its dimensions.