CIRCUIT SYMBOLS
SYMBOL
|
PURPOSE
|
EXAMPLE
|
|
|
It
provides electrical energy
|
|
LAMP/ BULB
|
It transforms electrical energy into light
|
|
WIRE
|
It allows current to travel / flow
|
|
|
It allows the circuit to be turned off so that the
electricity cannot pass
|
|
|
It allows circuit to be closed so that the
electricity can pass
|
|
|
|
It transforms electrical energy into movement energy
(mechanical energy)
|
 |
EX.1. In this diagram, what electrical component is missing?
EX.2. Answer the questions:
-What is electrical current?
-What is a conductor?
EX.3.
EX.4.