3 years ago

Compare the advantages and disadvantages of buying compact fluorescent bulbs rather than filament bulbs (6 marks)

1 answer:

6 0

Advantages
-Fluorescent bulbs are more efficient than filament bulbs
-They are cheaper to use as they consume less electricity
-Lasts longer
-Since it consumes less electricity, less electricity needs to be produced, so less fossil fuels needs to be burnt so less harm to the environment.
Disadvantages
-More expensive to buy
-Shortened life span if turned off and on very frequently.
-Disposal a problem because of mercury vapour.

I hope this helps!
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If the buzzer in this connection fails to make a sound, it follows that the switch or the key is open.

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A circuit is a path designed for the flow of current. We have to take note of the fact that the switch or key must be closed before electric current can pass through the circuit and the buzzer will make a sound.

Therefore, were the buzzer in this connection fails to make a sound, it follows that the switch or the key is open.

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Explanation:

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