The two graphs in Figure show the $I-V$ characteristics of a metal wire at two different temperatures, ${\theta }_1 and {\theta }_2$.

Calculate the resistance of the wire at each temperature.

The two graphs in Figure show the $I-V$ characteristics of a metal wire at two different temperatures, ${\theta }_1 and {\theta }_2$.

State which is the higher temperature, ${\theta }_1 or {\theta }_2$.

The graph in Figure 10.6 shows $1-V$ characteristics of two electrical components, a filament lamp and a length of steel wire.

Identify which curve relates to each component.

The graph in Figure shows $I-V$ characteristics of two electrical components, a filament lamp and a length of steel wire.

 State the voltage at which both have the same resistance.

The graph in Figure shows $I-V$ characteristics of two electrical components, a filament lamp and a length of steel wire.

Determine the resistance at the voltage at which the resistance of the two components is same.

The graph in Figure was obtained by measuring the resistance $R$ of a particular thermistor as its temperature changed.

Determine its resistance at: $20°C$

The graph in Figure was obtained by measuring the resistance R of a particular thermistor as its temperature e changed. Determine its resistance at: $45°C$.

The graph in Figure was obtained by measuring the resistance R of a particular thermistor as its temperature e changed Determine the temperature when its resistance is: $5000\Omega$.

The graph in Figure was obtained by measuring the resistance R of a particular thermistor as its temperature e changed. Determine the temperature when its resistance is:$2000\Omega$.