Resistivity is a property of a material that quantifies its resistance to an electric current flowing through it. The resistivity…
Electrical Power (P) – the rate at which electrical energy is transferred. This is exactly the same as mechanical power…
Resistance (R) – the resistance of a device is the ratio of the voltage applied to it, to the current…
Potential Difference Potential Difference (p.d.) – the electrical energy transferred per unit charge when electrical energy is converted into any…
Electric Charge Electric charge is a property of some particles that causes them to experience a force in an electromagnetic field.…
Power – the rate at which work is done. From this definition we have the following equation: Where P is…
Kinetic Energy Kinetic energy is the energy an object has due to its motion. In other words it is the…
Energy – the stored ability to do work. There are many forms of energy and each form be transferred from…
Work – the product of force and the distance moved in the direction of the force. We can define work (W) with…
Newton’s First Law of Motion If the net force acting on an object is zero, the object will have a…