Page 179 - Physics Form 5 KSSM_Neat

Self-Reflection SCAN ME CHAPTER 4
Self-Reflection
SCAN ME
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1. New things I have learnt in the chapter ‘Electromagnetism’ Self-Reflection Electromagnetism
are ✎ .
http://bit.ly/3lqPDwg
2. The most interesting thing I have learnt this chapter is
KEMENTERIAN PENDIDIKAN MALAYSIA
✎ .

3. The things I still do not fully understand are ✎ .

4. My performance in this chapter.
Poor 1 2 3 4 5 Very good

5. I need to ✎ to improve my performance in
this chapter.

Summative Practice

1. Figure 1 shows a conductor hanging from a sensitive spring
balance in between a pair of Magnadur magnets.
http://bit.ly/3grEJum

Spring balance

Conductor

X
Q
Y
P
S

Figure 1
(a) Suggest the polarity of dry cell X, Y and the polarity of magnets P, Q such that the reading
of the spring balance increases when switch S is turned on.
(b) Explain why the reading of the spring balance can increase in 1(a).
(c) Suggest improvements that need to be made to further increase the reading of the
spring balance.

2. With the aid of a labelled diagram, explain how Fleming's left-hand rule is used to determine
the direction of the force on a current-carrying conductor in a magnetic field.

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