Question

1. How does a cell produce electricity?
2. What is the source of light in a torch?
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Answer 1

1. Almost all of our cells can use these charged elements, called ions, to generate electricity. ... Cells can achieve this charge separation by allowing charged ions to flow in and out through the membrane. The flow of charges across the cell membrane is what generates electrical currents
2. A flashlight (US) or torch (UK) is a portable hand-held electric light. The source of the light often used to be an incandescent light bulb (lamp) but has been gradually replaced by light-emitting diodes (LEDs) since the mid-2000s.

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Answer 2

Answer:

1. Almost all of our cells can use these charged elements, called ions, to generate electricity. ... Cells can achieve this charge separation by allowing charged ions to flow in and out through the membrane. The flow of charges across the cell membrane is what generates electrical currents.

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2.A flashlight (US) or torch (UK) is a portable hand-held electric light. The source of the light often used to be an incandescent light bulb (lamp) but has been gradually replaced by light-emitting diodes (LEDs) since the mid-2000s.

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