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What is a photodiode?

2019-03-16

The big difference between ordinary diode and photodiode, that is photodiode is able to convert photosignal into electric signal;

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Why does the airline make you turn off electronics during take off?

2019-03-15

Since the electronic devices have interfered the navigation system of the airplane. For example, as long as the device is without network connection, which will emit electromagnetic radiation, such as smart phone.

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What are Semiconductors used for?

2019-03-15

Semiconductors are widely used for the electronic industry, such as the electronic components, integrated circuits, etc.

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What is the major advantage of inductors when compared to resistors?

2019-03-15

The major advantage of inductors when compared to resistors:

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How does a video door phone ensure safety?

2019-03-14

You know, a video door phone with the smart access control system possesses the following funtions, which contribute to ensure safety, such as:

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What is retina display?

2019-03-14

Retina is a display technique, which zip a great number of pixels into the display so that a high resolution and exquisite display comes true;

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Why are all electronic devices supplied with negative power?

2019-03-14

It’s quite vital for all electronic devices to supply with negative power.

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Is there another way other than solar and wind to generate electricity?

2019-03-13

Yes! The other ways that generate electricity like thermal power, tidal energy, nuclear power, etc. 1)Thermal power: Converting internal energy into electric energy; 2)Tidal energy: Converting mechanical energy into electric energy; 3)Nuclear pow

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What instrument is used to measure air pressure?

2019-03-13

Generally, the following barometers are used to measure air pressure: 1)Mercury barometer; 2)Electronic barometer; 3)Boiling point barometer.

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What is the difference between a camera and a telescope?

2019-03-13

The difference between a camera and a telescope: 1)The camera only shoots the nearby objects; While the telescope only observes the distant objects; 2)The camera shoots the real image;While the telescope is virtual image.

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