- Explain Ohms Law
- What is the density of a rock (mass 75g) submerged in water which displaced by a volume of 37.5cm^3? SI units
- What is the equation linking Power, Time, and energy? and Calculate the work done by a cyclist when his power output is 200 W for 1800 seconds?.
- What is the difference between velocity and speed?
- What are the definitions of a)voltage and b)current?