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Steve1
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TECHNOLOGY
Electronics
Electronic Devices
The invisible war inside electronic devices shapes the future of technology
29 hours ago
0
What is a major trade-off when designing electronic devices that use transistors?
Ensuring devices only use alternating current without conversion
Balancing signal amplification with heat generation and power consumption
Avoiding the use of integrated circuits to simplify design
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112112112John
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TECHNOLOGY
Electronics
Electronic Devices
The invisible war inside electronic devices shapes modern life and technology
4 days ago
0
What is the primary role of active components like transistors in electronic devices?
To store electrical energy for long periods
To control and amplify the flow of electric current
To convert mechanical energy into electrical energy
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Brewster
Brewster
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TECHNOLOGY
Electronic Devices
Electronic Sensor
Electronic sensors transform physical phenomena into digital signals powering modern devices
2 Feb 2026
0
How do image sensors convert light waves into signals used to form images?
By converting the variable attenuation of light waves into small bursts of electrical current
By amplifying sound waves and translating them into visual data
By chemically reacting with light to produce color changes on film
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Stevex
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TECHNOLOGY
Electronic Devices
Electronic Sensor
Electronic sensors convert physical phenomena into electrical signals for diverse applications
31 Jan 2026
0
How do image sensors convert light waves into usable information in electronic devices?
By amplifying the light waves directly without conversion
By storing the light waves as chemical patterns on a surface
By converting the variable attenuation of light waves into electrical signals
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