PowerPoint 6 Electricity

What is the flow of electrons called?

• Push

• Pull

• Pressure

• Current

What is measured by the amount of pressure, or the push, which causes the current to flow?

• Current

• Voltage

• Watts

• Ohms

Which one is the ability of a material to allow the movement of electricity?

• Conductivity

• Resistivity

Which one is the ability of a material to slow the movement of electricity?

• Conductivity

• Resistivity

Which two are different types of electricity

• Direct Current

• Steady Current

• Wavey Current

• Alternating Current

DC current can be generated using which of the following?

• Solar Panels

• photo-voltaic (PV) panels

• Heat Pumps

• Biomass

What is the frequency of AC in the UK?

• 30Htz

• 40Htz

• 50Htz

• 60Htz

What does this symbol represent?

• Direct Current

• Alternating Current

What does this symbol represent?

• Direct Current

• Alternating Current

Which are two advantages of AC Current?

• Can be stored

• Voltages can be transformed easily from one voltage to another

• can be transported over long distances without excessive voltage loss

• Doesn't need cables for power tools