Current Voltage Graphs

As revision time increases, the grade increases.

No correlation

As the revision increases the grade decreases

As time increases, the concentration increases.

No correlation

As the time increases the concentration decreases

As the number of lessons increases, the love of science increases.

No correlation

As the number of lessons increases, the love of science decreases.

As the number of lessons increases, the love of science is constant.

The resistance of a bulb decreases as the temperature of the metal filament decreases.

The resistance of a bulb increases as the temperature of the metal filament increases.

The resistance of a bulb increases as the temperature of the metal filament decreases.

The current flowing through a resistor at a constant temperature is directly proportional to the potential difference across it.

The current flowing through a resistor at a constant temperature increases as the potential difference across it increases.

The current flowing through a resistor at a constant temperature decreases as the potential difference across it decreases.

A diode lets current flow in all directions.

A diode only lets current flow in one direction