CIRCUIT TO TEST THE OPERATION OF

A RELAYJahir Iván Alemán Ernesto Mares Sosa Erick Eduardo Garza Loria

5ºA NOVIEMBRE 2012

4. Escucha, interpreta y emite mensajes pertinentes en distintos

contextos mediante la utilización de medios, códigos y

herramientas apropiados.

4.5. Maneja las tecnologías de la información y lacomunicación para obtener información y expresar ideas.

8. Participa y colabora de manera efectiva en equipos diversos.

8.2 Aporta puntos de vista con apertura y considera los de otraspersonas de manera reflexiva.

11. Se comunica en una lengua extranjera mediante

un discurso, lógico, oral o escrito, congruente con la

situación comunicativa.

manera reflexiva.

Protoboard relay led

Transistor battery resistance 330 ohms

Photoresistance wires connection

First transistor is connected as shown in the image

After the relay is connected to the collector of transistor

Then connects the photoresistance from the positive of the battery to the base of transistor

then connect a wire from the positive of the battery to common and then connected the LED to the right leg of the relay with a resistor to the negative of the battery

finally connect the battery to the wires corresponding negative and positive

This practice I found very useful

for testing the performance of

electronic devices

This activity tests the operation of

the relay and how the passage of the

current it generates an

electromagnetic field which serves

as a magnet to activate the relay

This practice we can demonstrate

the multiple functions that can

make the passage of electric

current