Q4. Can you explain why the current is the same at different points in a series circuit? (Hint: You may explain by using the water pipe system analogy)
Q5. A fuse is connecting in series with the electrical appliance. If it is connect in parallel, can it protect the appliance? Why?
Q6. Some electrical appliances not used for heating also make use of the heating effect of current. Can you name one example?
Science Questions about Electricity (10 marks)
2008-02-23 10:22 am
回答 (1)
2008-02-24 4:30 am
✔ 最佳答案
4. current is a measure of electron flow in a second. so in a series circuit, the electron flow is the same at different points . because charge cannot accumulate
somewhere.
5. if a fuse is connected in parallel, it cannot protect the circuit.
it is because when the current is getting higher, the current will damage the applicant
directly.
6. hair dryer. it can give out warm air .
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