Uploaded by Jessiel Cabuguason

BUILDING A SIMPLE PARALLEL CIRCUIT WITH A SWITCH

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PARALLEL CIRCUIT CONNECTION
OBJECTIVES
At the end of the lesson, the learners should be able to:
1. Assemble a Parallel Connection Circuit and make the bulbs light.
Parallel Circuit
-
has two or more paths for the electricity to flow.
is the standard electrical circuit found in most homes and devices. Because it
provides more than one way for a current to flow through to a device. It
creates a much more stable and efficient power system than would otherwise
be possible.
(Why do you think Parallel Circuit is common to find inside our houses?)
What are the components of a Parallel Circuit Connection?
 Bulb - a rounded glass inserted into a lamp or a socket, which provides light by
passing an electric current through a filament or a pocket of inert gas.
 Bulb holder/Socket - a device which mechanically supports and provides
electrical connections for a compatible electric lamp.
 Wire - is a long thin piece of metal that is used to fasten things or to carry electric
current.
 Switch - a device for making and breaking the connection in an electric circuit.
 AC plug - allow electric equipment to be connected to the alternating current
(AC) power supply.
 Plyboard - is a wood based panel, made of a core of softwood stripes that are
glued together.
BUILDING A SIMPLE PARALLEL CIRCUIT WITH A SWITCH
MATERIALS:
lightbulbs, bulb holders/sockets, switch, wires, AC plug, star screwdriver, bolts,
plyboard, side cutter, electrical tape
PROCEDURES:
1. Consider the age and skill of those involved. So you all have the knowledge
already to know NOT to play with the current or electricity.
2. Gather the main components of a parallel circuit. What are the main
components? (light bulbs, bulb holder, wires, AC plug, and a switch.)
3. Choose your power source. Anyone knows what is our power source today? Of
course, we have AC socket. So, Alternating Current is our power source.
4. Prepare your conducting material. What do you think is the conducting
material? (The wire is the conducting material, which will create the circuits between
the power source and your loads. Using the side cutter, cut the necessary strips of wire
to complete the circuit. So if you are going to use two bulbs only, you’ll be needing two
separate strips of wire excluding the wire connected from the switch.)
5. Connect the AC plug to the switch and make a fuse on the line 1 near it. (That’s
how it looks.) Have you all tried making a fuse? So, why is it necessary to make a
fuse?
6. Connect the switch to the first bulb. Based on the picture, how will you connect
the switch to the first bulb?
7. Join the separate wires on the first bulb and connect it to the second bulb. So
again based on these pictures, how will you connect it?
8. Complete the parallel circuit and screw it on the plyboard before testing. You
need to attach your circuit on the plyboard. Why do you think so?
9. Plug the circuit on the AC socket and turn on the switch. After screwing the
circuit, proceed now to testing.
NOTE:
 See if both bulbs light up. Then, remove one bulb and the remaining bulb
should light up still. That would mean you have made the circuit correctly.
ACTIVITY: ASSEMBLE A SIMPLE PARALLEL CIRCUIT CONNECTION
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