LSS 13 - Electrical System I (Components)

An electrical circuit is made up of...

• an electrical system like a computer

• electrical parts like bulb, wire, battery

• an open and close circuit with wires

• electricity that flows through the wires

what is an electric cell?

• a device that converts mechanical energy into electrical energy

• a device that turns stored chemical energy into electrical energy

• a device that devours electrical energy

• a device that converts static electricity into mechanical energy

A battery is a source of _______ and is important in an electric circuit.

• power

• energy

• light

• heat

There are _____ batteries in the diagram,

with the positive terminal on the _____.

• 4, left

• 4, right

• 2, left

• 2, right

Objects that allow electricity to pass through them are called _______________.

• Electrical Conductors

• Electrical Insulators

• Electrical diagrams

• Electrical Symbols

Objects that do not allow electricity to pass through them are called _______________.

• Electrical Conductors

• Electrical Insulators

• Electrical Diagrams

• Electrical Symbols

The symbol shows a _____.

• switch

• bulb

• rheostat

• battery

What is/are the energy/energies produced when electricity passes through a bulb?

• thermal energy

• light energy

• electrical energy

• kinetic energy

Study the circuit diagram below.

Which one of the following will make each bulb in the circuit less bright?

• Removing one bulb from the circuit

• Removing the switch from the circuit

• Adding one bulb in series to the circuit

• Adding one battery in series to the circuit

Study the circuit diagram below. 
When the switch was closed, all the bulbs lighted up. Then, when one of the bulbs fused, all the bulbs went off. Which bulb was fused?

• A
• B
• C
• D