Question 1
The fluorescent bulb produces light by:
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heating a filament to a white-heat temperature.
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a chemical reaction.
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means of a vaporized mercury conduction path between two cathodes.
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means of magnet induction between two electrodes.
Question 2
The LED lamp shown

©Lumicrest LED Lighting Products
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operates with direct current.
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uses a single light-emitting diode.
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uses multiple light-emitting diodes.
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operates with direct current and uses multiple light-emitting diodes.