Page 133 - Physics Form 5 KSSM_Neat

Activity 3.9 CPS ISS ICS CHAPTER 3

Aim: Discuss the connection of solar cells and batteries in an electric vehicle to power the engine Electricity
that requires high current

Instructions:
SCAN ME
SCAN ME
1. Carry out this activity in groups.
KEMENTERIAN PENDIDIKAN MALAYSIA
Video on solar
2. Scan the QR code given or browse the Internet to get cells and batteries
information on how solar cells and batteries in electric connections
vehicle are connected to generate high current.
https://bit.ly/2EHtQYk
250 W, 30 V

+ –
Figure 3.34 Solar cells Photograph 3.5 Battery packs in electric vehicle
3. Discuss the connection of solar cell and batteries to start the engine of an electric car that requires
high current.
4. Present the results.

Formative Practice 3.3

1. What is meant by electromotive force, e.m.f.?

2. State the difference between e.m.f. and potential difference.
3. What is the effect of internal resistance on current in a complete circuit?

4. If you are supplied with two dry cells, what type of arrangement can reduce the effective
internal resistance of the dry cells?

LS 3.3.4 123