What is electrical charge?

What is potential difference?

Give the unit for charge

Give the unit for power

Give the unit for current

Give the unit for resistance

How is potential difference shown in series and parallel circuits?

How is current shown in series and parallel circuits?

Why does a current-potential difference graph for a diode stay at 0 for negative readings?

Describe a current-potential difference graph for a resistor

Describe a current-potential difference graph for a lamp