2. SIMPLE ELECTRIC
DC MOTOR
AN ELECTRIC MOTOR IS AN
ELECTRICAL DEVIDETHAT
CONVERTS ELECTRICAL
ENERGY INTO MECAHNICAL
ENERGY
3.
4. AIM :TO CREATE A SIMPLE ELECTRIC DC MOTOR CONVERTING
ELECTRICAL ENERGYTO MECHANICAL ENERGY
MATERIALSOR APPARATUS
1. AMMERTURE 8. SMALL PIPE
2. DC BATTERY 9. SMALLWOODEN BOARD
3. 2 MAGNETS
4. INSULATEDCOPPERWIRE
5. MODELINGCLAY
6. 2 BIG NEEDLES
7. PLIER
5. PROCEDURE
1. GATHER ALLTHE APPARATUS TOGETHER
2.TAKETHE COPPER WIRE ANDWRAP IT AROUNDTHE PIPE CONTINOUSLY
MAKING NUMEROUS NUMBER OFTURNS AROUNDTHE PIPE .TIGHTLY
3. SLIDETHE COILTHATYOU MADE OFFTHE PIPE
4.WRAP EACH END LOOSE END OFTHE WIRE AROUNDTHE COIL 3TIMES
TO HOLD ITTOGETHER
5.THEN POINTTHE END OFTHE WIRES AWAY FROMTHE LOOP
7. PROCEDURE
6. SINCETHEWIRE USED IS INSULATEDA SMALL KNIFE IS
IMPORTANTTO REMOVETHE INSULATIONCOVER ONTHE
COPPERWIRE.THIS IS IMPORTANTTO ALLOWTHEWIRE FOR
ELECTRICALCONNECTION
7.THE SCRATCHED ENDSOFTHEWIRE SHOULD BE FACING IN
THE SAME DIRECTION IN BOTH SIDES
8.THEWIRE INSULATION SHOULD BE REMOVED FROM BOTH
SIDES
9. HALF OFTHEWIRE'S INSULATION SHOULD BE REMOVED
NOTTHE ENTIREWIRE.
10. PROCEDURE
13. PLACEA DC BATTERY HORIZANTALLYONTHEWOODEN
BOARD
14. PLACE MODELINGCLAY AROUNDTHE BATTERY SOTHAT IT
DOES NOT ROLL.
15. ATTACHTHEWIRES FROMTHE BATTERY ( BLACK AND RED
TOTHE NEEDLES
16.THE REDWIRE CONNECTEDTOTHE POSITIVETERMINALOF
THE BATTERY AND BLACKWIRE CONNECTEDTOTHE
NEGATIVETERMINALOFTHE BATTERY
11. PROCEDURE
17PLACEA MAGNET UNDERTHE COIL,ONTHEWOODEN
BOARD , BUTTHE COIL SHOULD BE ABLETO MOVE FREELY
WITHOUT PHYSICAL CONTACTWITH MAGNETS
18. SPINTHE COILGENTLYTO GETTHE MOTOR STARTED IF IT
DOESNOT SPINTRY SPINING IN ANOTHER DIRECTION.
14. RESULTS
THE MOTOR COIL CONTINUES SPIN INTHE SAME DIRECTION
WHICH MEANSA FORCEWAS APPLIEDWHENTHE ELECTRIC
CURRENTWAS PASSEDTHROUGH INTHE PRESENCEOF
MAGNETIC FIELD.
15. WHY?
A COILANDTHE NEEDLESCAN ACT LIKE MAGNETSWHEN
ELECTRICITY IS PASSEDTHROUGHTHEWIRE.THEY ARE
TURNED INTO ELECTROMAGNETS
ELECTROMAGNETS =A METALTHAT IS MADE IINTOA MAGNET
BYTHE PASSAGE OF ELECTRICCURRENTTHROUGHA COIL
SURROUNDING IT .
THEREFORE A FORCE CALLEDTORQUE IS CREATED BY
THE CONNECTIONOF COIL, NEEDLEAND BATTERY
TORQUE ISTHE MEASUREOF ROTATIONAL FORCE
THIS ISTHE FORCETHAT CAUSESTHE COILTO ROTATE.
16. WHY?
WHEN A BATTERY IS CONNECTEDTHE COILWOULDWANTTO
ROTATE 90 DEGREESTO ALIGNTHE MAGNETIC FIELDOFTHE
COILWITHTHE MAGNETTHIS CREATESTORQUE
17. WHY REMOVE PARTOFTHECOPPERWIRE
INSULATION?
A PART OFTHE COPPERWIRE
INSULATION IS REMOVEDTO
ENSURETHAT CURRENT
CONDUCTION IS PREVENTED
FROM 180 DEGREES
THE MOMENTUM OFTHE COIL
MAINTAINS ITTO COVERTHE
REMAINING 180 DEGREES OF
INSULATION IFTHE INSULATION
WAS NOT REMOVEDTHE COIL
WOULD REMAIN ALIGNED IN ONE
DIRECTION ANDWOULD NOT
SPIN.
18. CONCLUSION
THE EXPERIMENTAL PROCEDUREAND RESLUTS SUPPORTED
THETHESISTHATWHEN A CURRENTCARRYING CONDUCTOR
ISWRAPPEDAROUNDTHE METALA METAL CAN BECOME
ELECTROMAGNETIC
IT ALSO PROVEDTHAT ELECTRICAL ENERGY CAN BE
CONVERTEDTO MECHANICAL ENERGY
19. REFERENCE
Bingol,O., & Aydogan, O. (2012).Web based remote controlled
electrical motor laboratory used as educational tool. Przeglad
Elektrotechniczny, 88(6), 342-346.
Tsai, M. C. (2020).An overview of the research work at the Electric
MotorTechnology Research Center. Impact, 2020(4), 54-56.
Coello Behr,A. (2018). Energy Storage and Electric Motor Systems
Projects for Hands-on Student Learning (Doctoral dissertation,
VirginiaTech).
Hudha, M. N., Chaeruman, U.A., Hakim, A. R., Sundaygara,C.,
Kumala, F. N., Batlolona, J. R., ... & Abdullah, A. G. (2019, October).
Simple electrical motor for elementary school future teachers
through scientific work e-rubric. In Journal of Physics: Conference
Series (Vol. 1318, No. 1, p. 012004). IOP Publishing.