Select the two main types of current supply.

• A.C

• D.C

• B.C

• C.C

L.E.D is the abbreviated name for which component?

• Light Emitting Diode

• Low Energy Diode

• Light Energy Diode

• Light Extending Diode

The flow of negatively charged electrons around a circuit is known as _______.

Here in the UK, the mains power supply that is provided by wall sockets around the house work at which voltage?

• 110V

• 230V

• 350V

• 1200V

A device that converts an _________ signal into a physical quantity such as pressure or light, is known as a transducer.

The relationship between voltage current and resistance, is represented and calculated using ___'s Law.

Power within an electrical circuit is measured using which unit of measurement?

• Watts

• Volts

• Ohms

True or false: An electrical circuit is a closed loop.

• True

• False

Select two advantages of using simulation software when designing and testing a circuit.

• Reduced material waste caused by damaged components.

• Easier and quicker to make adjustments to the design.

• No electrical energy is used.

• No training or knowledge is required.

'Potential difference' is more commonly known by which name?

• Voltage

• Current

• Resistance