Voltage Current and Resistance

What do you measure Current in?

• Ohms

• Amps

• Volts

• Watts

What is Ohms the unit of measure for?

• Power

• Current

• Voltage

• Resistance

The power of an electrical circuit is measured in?

• Amps

• Watts

• Ohms

• Volts

The unit of electrical pressure is the?

• watt

• amp

• ohm

• volt

Tick three Insulators

• Cooper

• Plastic

• Paper

• Glass

Tick three conductors

• Silver

• Cooper

• Glass

• Gold

Tick the three units used in ohms law

• Ohms

• Amps

• watts

• Volts

What unit of electricity does this symbol represent?

(a)  

An open switch in an electrical circuit:

• Allows current to flow

• Will energise the load

• Creates a closed circuit

• Prevents current flow

AC stands for Alternating Current which means current flows in?

• one direction only

• any direction

• a random pattern

• one direction then the other