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Will resistance only occur when the current flows?

2019-03-06

Nope. Resistance not just occurs when the current flows;

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Why do transistors and integrated circuits have so many terminals?

2019-03-06

You know, the terminals of the integrated circuit, which is basically decided by its fabrication process.

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How easy is it really to damage electronic components with ESD?

2019-03-06

The pulse energy of electrostatic discharge(ESD) will lead to the local heating, which also damage the electron tube.

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Why must air temperature be measured in shade?

2019-03-06

Because the thermometer which is used to measure the air temperature that is a mercury thermometer.

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Why are electrical cables black?

2019-03-05

In fact, the electrical cable can be any colors; As for those electrical cable why they are black, which lies in its dirt-proof and uvioresistant.

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Why do some devices use reversed polarity DC connections?

2019-03-05

Yeah, some devices have protected diodes, which can use the reversed polarity DC connections.

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What is the difference between a micro controller and PCB?

2019-03-05

Micorcontroller: A system control chip; PCB: The carrier of the microcontroller (to realize its function); Besides, all the connections of the components will be shown on the PCB.

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How can an LC circuit maintain its voltage?

2019-03-04

With the generation of the feedback circuit in the diode amplification circuit, and a steady flow of the same frequency pulse, which is the essential reason why an LC circuit manitain its voltage.

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Can DSP chips be described as glorified microcontrollers?

2019-03-04

Nope. DSP chips doesn’t belong to microcontrollers at all.

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Why is it difficult to make non-rectangular displays?

2019-03-04

Three reasons why it’s difficult to make non-rectangular displays:

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