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ELECTRONIC CIRCUITS FOR GRADE 9. Prepared by G. C. Accom. SOME OF THE SYMBOLS WE WILL USE. How to make a simple cell-holder for batteries. USE A PIECE OF RUBBER HOSE AND A KNIFE. CUT A SLIT INTO THE HOSE. SLIDE THE NUMBER OF CELLS YOU NEED INTO THE SLIT YOU HAVE CUT.

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electronic circuits for grade 9

ELECTRONIC CIRCUITS FOR GRADE 9

Prepared by G. C. Accom

how to make a simple cell holder for batteries
How to make a simple cell-holder for batteries

USE A PIECE OF RUBBER HOSE AND A KNIFE

i grade 9 you will be working with the following power sources
I GRADE 9 YOU WILL BE WORKING WITH THE FOLLOWING POWER SOURCES

EXPLAIN TO LEARNERS WHY WE SAY THESE CELLS ARE CONNECTED IN SERIES

a simple circuit with cells connected in series
A SIMPLE CIRCUIT WITH CELLS CONNECTED IN SERIES

SWITCH MADE WITH PAPER CLIP AND THUMB TACK

TOGGLE SWITCH

PUSH SWITCH ALWAYS OFF

PUSH SWITCH

ALWAYS ON

you can use exactly the same circuit to add a buzzer
YOU CAN USE EXACTLY THE SAME CIRCUIT TO ADD A BUZZER

CONNECT TERMINALS OF BUZZER HERE

WATER