GRADE 10 ELECTROMAGNETISM with sample quiz at the end...

1. ELECTRICITY
AND
MAGNETISM
SCIENCE GRADE 10-
UNIT II

2. REVIEW

4. and many alloys of these metals like steel
and alnico are magnetic.

5.  A magnet has two magnetic
poles (north and south seeking
poles).

6. Magnets exert either a force of
repulsion or attraction.
Attraction.
N-S
S-N
Repulsion
N-N
S-S

8. Electromagnetic induction is a
phenomenon of inducing a
voltage in a conductor by
changing the magnetic field near
the conductor.

9. LESSON PROPER

10. OBJECTIVE:
Learning Competency
Explain the operation of a simple
electric motor and generator.
S10FE-IIj-54
Subtask:
1. Compare the transformation of
energy between electric motor
and generator.

11. OBJECTIVE:
Learning Competency
Explain the operation of a simple
electric motor and generator.
S10FE-IIj-54
Subtask:
2. Assemble a simple electric
motor and generator.

12. OBJECTIVE:
Learning Competency
Explain the operation of a simple
electric motor and generator.
S10FE-IIj-54
Subtask:
3. Relate the applications of
electric motor and generator in
real life.

13. ELECTRIC MOTOR
--
GENERATOR
--

15. TRANSFORMATION OF ENERGY
ELECTRIC MOTOR
-- Electrical energy to Mechanical
energy

16. TRANSFORMATION OF ENERGY
GENERATOR
-- Mechanical energy to Electrical
energy

17. Are you ready now?
Assemble a simple electric
motor and generator.

19. Generator

21. Simple Electric Motor

23. EXAMPLES

24. QUIZ
ANSWER IN 1/8 SHEET OF
PAPER

25. 1. What transformation can take
place in an improvised GENERATOR?
a. mechanical energy into electrical
energy
b. electrical energy into mechanical
energy
c. alternating current into direct
current
d. direct current into alternating
current

26. 2. What transformation can take
place in an improvised ELECTRIC
MOTOR?
a. mechanical energy into electrical
energy
b. electrical energy into mechanical
energy
c. alternating current into direct
current
d. direct current into alternating
current

27. 3. Which of the following best explain the
basic principle enables ALL electric
MOTORS to operate?
a. Iron is the only element that is magnetic.
b. Opposite electric charges attract and like
charges repel.
c. A moving conductor within a magnetic
field will experience an electromotive force.
d. A current-carrying conductor placed within
a magnetic field will experience a magnetic
force.